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• Databases
  * [[Access]] (was also known as Jet)
  4 KB (502 words) - 23:45, 15 March 2024
• Interactive Fiction
  Also known as "adventure games" or "text adventures" after the Original (Colossal Cave) A ...ehack: in-browser '80s-style telnet interface, includes original Adventure as 'advent' command]
  4 KB (500 words) - 14:57, 11 October 2021
• Error Code Modeler
  ...ions from disc images, which compress poorly and can be recalculated later as needed.
  534 B (66 words) - 20:04, 25 February 2024
• Serialization
  '''Serialization''' is used to transform data structures (as used within a program, in whatever native formats might be used by the prog * [[XML]] (originally intended only as a markup format, but ended up as probably the most popular serialization format)
  2 KB (271 words) - 22:56, 22 January 2024
• Property List
  ...sed format for Mac OS X, and later on they also introduced a binary format as well, which is now the default save format for preference files.
  1 KB (206 words) - 14:55, 3 September 2023
• Property List/Binary
  ...tion of the offsets of all of the elements in the plist, each offset given as an unsigned integer in a fixed number of bytes. An object in the plist has ...an offset value. Valid values are 1, 2, 3, or 4. Offset values are encoded as unsigned, big endian integers. Must be wide enough to encode the offset of
  7 KB (1,097 words) - 05:55, 27 October 2023
• Photographic film
  ...y size. Additional distinctions include black-and-white vs. color, as well as film speed (how sensitive it is to light, affecting how long of an exposure ...ere also "silent movies" which had no audio, but typically a musician such as a piano player performed while the film was played.
  6 KB (755 words) - 20:37, 15 May 2021
• 35 mm film strips
  ...such that two image frames of a filmstrip take up the same amount of space as a single 35mm frame.
  796 B (125 words) - 20:41, 17 November 2012
• Filesystem
  (How files are organized on one system, device, or medium, such as a disk, tape, or flash memory; see next category for networked and cloud fi * [[CMS filesystem]] (IBM mainframe z/VM operating system, formerly known as VM/CMS)
  8 KB (1,030 words) - 23:44, 5 January 2024
• Emulation Software
  .... Virtualization software uses hardware of the machine it runs on and acts as a gateway to share resources between the host-machine and the virtualized [ * [[higan]] (formerly known as bsnes) (open source, primarily [[SNES]], but recently also supports NES/[[G
  7 KB (854 words) - 19:06, 20 June 2021
• Written Languages
  ...xt into digitized characters (for further processing or indexing) is known as Optical Character Recognition (OCR). ...form, a visual medium, various non-visual representations also exist, such as the tactile code of [[Braille]] and the auditory [[Morse code]]. These are
  6 KB (794 words) - 20:08, 30 January 2021
• Identifying Physical Media
  ...e readily identified as such at first glance; others may not be identified as media at all and never investigated. Some categories and examples follow. ...shape. More modern variants of optical storage may not be transparent such as CDs and DVDs.
  4 KB (579 words) - 22:54, 25 June 2015
• Identifying Files
  Some systems, such as [[HTTP]] and [[MIME]], use [[MIME types]] to identify a file's data type. H
  2 KB (316 words) - 00:55, 21 February 2017
• Statement of Project
  ...Jason Scott proposed the idea of '''Let's Just Solve The Problem Month'''. As described in his weblog entry, the idea was to use an agreed-upon month (No ...This Wiki is an attempt to bring together all that spread out information. As written in that entry:
  3 KB (510 words) - 01:01, 24 November 2021
• NES Sound Format
  ...cluding both standalone players and plugins for popular media players such as Winamp. ....net/#festalon Festalon] is an open-source xmms and Winamp plugin, as well as a standalone command-line NSF player.
  6 KB (989 words) - 15:28, 28 December 2023
• Operating Systems
  ...level, they are also driver compatible (allowing the use of older hardware as well).
  3 KB (318 words) - 19:14, 19 November 2021
• Impression
  ...between different products in the series. Initially, documents were stored as a collection of files in a directory, but later versions could store docume
  1 KB (154 words) - 17:54, 28 November 2018
• TechWriter
  ...l currently developed] by MW Software. It provides the same basic features as EasiWriter and adds support for equation editing and display.
  700 B (97 words) - 17:49, 28 November 2018
• DOC
  ...versions of [[Microsoft Word|MS Word]] (they now use [[DOCX]] as a default as of [[Microsoft Office|Office]] 2007). ...lletin board system (BBS). But you might still try opening them with Word (as will normally happen in Windows if you have Word installed and double-click
  7 KB (1,075 words) - 15:18, 28 December 2023
• ZIP
  ZIP was created in 1989 as the native format of the PKZIP program, which was introduced by Phil Katz ( ...that have been widely adopted include large files (using a technique known as ZIP64), and filenames in [[UTF-8]].
  18 KB (2,536 words) - 16:02, 28 December 2023
• ARC (compression format)
  ... the ARC file format. The lawsuit was widely regarded by the BBS community as being a "David vs. Goliath" case of a faceless corporation bullying a "litt ... format encourages bad puns referring to those who trawl such old archives as "Raiders of the lost ARC."
  11 KB (1,620 words) - 16:35, 15 May 2024
• BFS
  ...FS to a greater or lesser extent. A later re-implemented version was known as Open BFS, and [[SkyFS]] was forked from it.
  670 B (92 words) - 17:53, 25 August 2019
• Address books and contacts
  * Microsoft Outlook contacts: Stored as part of the [[Personal Folder File]] - See also [[Microsoft Outlook]]
  1 KB (124 words) - 22:14, 26 December 2022
• E-Mail, newsgroups, and forums
  ** [[AOL Personal Filing Cabinet]] (includes e-mail as well as other things)
  9 KB (1,066 words) - 22:31, 28 August 2023
• Internet e-mail message format
  Collections of multiple messages of this type, such as mailboxes stored for the use of mail programs or list digests and archives, * [https://www.dan.info/sampledata/CHAIN.TXT Copy of e-mail "chain letter" as saved directly off a university mainframe in 1984 and transferred to an IBM
  2 KB (256 words) - 14:59, 28 December 2023
• SSF
  ...ek's page contains a number of scripts to assist with SSF ripping, as well as his own SSF rips.
  892 B (121 words) - 04:08, 28 December 2023
• DSF
  ...ek's page contains a number of scripts to assist with DSF ripping, as well as his own DSF rips.
  741 B (102 words) - 16:12, 9 January 2013
• Paper
  ... Paper can be a medium for digital information as well, through media such as [[punched card]]s, [[punched tape]], and [[bar codes]]. ...and the 2nd century AD, and eventually replaced such earlier writing media as [[papyrus]] (made from plants) and [[parchment]] (from animal skins). Gute
  8 KB (1,035 words) - 22:33, 17 August 2019
• Acorn Sprite
  '''Acorn Sprite''' (also known as '''RISC OS Sprite''') files are the native format for graphics on RISC OS s
  3 KB (404 words) - 02:56, 28 December 2023
• Soundfactory
  A music format created in 1989 by Zuheir Urwani and Thomas Kolbe. Also known as the Profiteam Sound Factory format.
  496 B (63 words) - 04:08, 28 December 2023
• Programming Languages
  ...ipt, or PHP code which includes HTML). Programming language code is stored as [[source code]] which may be directly interpreted by a machine or compiled ...runch.com/2013/10/10/my-experience-as-a-fourth-grade-hacker/ My Experience As A Fourth Grade Hacker]
  10 KB (1,083 words) - 21:17, 6 February 2024
• DWC
  DWC was created by Dean W. Cooper in 1986 as a higher performance alternative to the [[ARC (compression format)|ARC]] (b
  5 KB (603 words) - 13:34, 19 October 2023
• RSS
  ... format (or, rather, group of formats) for providing feeds of content such as news articles, blog posts, podcasts, or, really, anything that can be distr ...hey could be included on the portal page. The format was initially adapted as a variety of [[RDF]], which in turn was [[XML]]-based. With Netscape promot
  9 KB (1,356 words) - 00:00, 12 February 2020
• FAQ
  ...es and binary files are in danger of being unreadable to later generations as no readily available information about accessing them is to be found. Vario ... entries will skirt the edge of reason, or a file format will not be clear as to where it should be filed. This is understandable and will be dealt with,
  7 KB (1,217 words) - 02:48, 26 December 2017
• Acorn Draw
  ...d new types could be registered with Acorn. Third party applications, such as DrawPlus, Vector and Poster, were created to provide enhanced editing and c
  3 KB (387 words) - 03:19, 28 December 2023
• ADFS
  Types of files stored in this file system were designated as [[RISC OS filetype]]s.
  1 KB (204 words) - 14:20, 4 September 2019
• Disk Image Formats
  ...described on this page's parent page describe entities that exist on disks as they would normally be used. ...pages of this page should contain information on the format itself as well as instructions on how to extract a physical disk into that disk image format,
  8 KB (1,092 words) - 20:04, 11 December 2023
• YEnc
  It is justly characterized as "quick and dirty", requiring crude Uuencoding-style heuristics to detect it
  1 KB (135 words) - 02:54, 28 December 2023
• Spoken Languages
  A major issue is that languages are collapsing as worldwide networking increases - the larger languages outstrip the smaller ...among humans, some languages have been artificially constructed, sometimes as part of fictional universes and other times intended for actual use in comm
  5 KB (605 words) - 05:08, 25 March 2024
• Editing
  ...s, instead of slaving away making a well-known format's entry as beautiful as possible. This priority over beauty also exists when discussing where a fil The primary focus of the Wiki are electronic file formats, as those are the most fleeting and most likely to be non-evident. It's good pe
  4 KB (595 words) - 17:21, 10 June 2017
• Softdisk Publishing UDF files
  ...f Id Software were working when they started their own game-making company as moonlighters. ...geeks can be pretty arrogant about regarding their own quirky data formats as being "universal" or "uniform", leading to lots of uses of the letter "U" i
  5 KB (859 words) - 00:03, 12 February 2020
• Z-code
  ...hich can be played using a Z-code interpreter. It is sometimes referred to as Infocom format. There are eight versions of Z-code. The first six were crea ...orb]] container files along with other resources needed for the game, such as images and sounds.
  4 KB (635 words) - 04:07, 28 December 2023
• Piano Rolls
  ... by hand. Famous musician John Philip Sousa famously denounced all of them as "infernal machines" that were killing real music. ...ormats include velocity information, and in the 1920s famous pianists such as Rachmaninoff and Gershwin made piano roll recordings. They lack many of the
  2 KB (302 words) - 16:07, 5 October 2020
• BOO
  These are inter-related with [[EVT]] and as such grouped under the [[ELECTONE]] file formats page.
  306 B (40 words) - 14:55, 16 May 2021
• EVT
  These are inter-related with [[BOO]] and as such grouped under the [[ELECTONE]] file formats page.
  236 B (31 words) - 08:14, 16 November 2012
• ELECTONE
  ...d ends with "F7". This message is listed at the end of the Electone manual as "BULK DUMP DATA". The listing file is created in the same directory as the B00 file, and its name is the name of the B00 file followed by .TXT.
  20 KB (3,181 words) - 12:44, 7 April 2015
• Mind maps, Topic maps, etc.
  ... [[Memory files (Upload)|memories]] taken from the human mind being stored as files with a .mem extension which were playable like videos, while the ''Ha * [[mm]] (Freemind format, used by some other software as well)
  2 KB (202 words) - 00:39, 1 January 2022
• Dangerous Dave level format
  The game levels were embedded in the executable as a series of 1280-byte chunks with 1000 bytes containing tile data in a 100
  655 B (100 words) - 20:54, 20 April 2013
• Blorb
  ...e]] and [[Glulx]] IF games, but it is possible to use it for other formats as well. To play an IF game packaged as a Blorb file, you need an interpreter for the base IF file. See [[Z-code]]
  1 KB (208 words) - 17:46, 28 December 2023
• Electronic Publishing formats
  ...], and [[Web]], since e-publications might also be stored in formats (such as [[PDF]] and [[HTML]]) in those categories, and e-publishing formats may hav
  5 KB (581 words) - 15:50, 15 October 2023
• CSV
  ...plistic and quite possibly syntactically invalid BNF definition for CSV is as follows: ...ations vary in their interpretation and generation of CSV files. The best, as ever, are strict in what they generate but generous in what they accept. Kn
  11 KB (1,722 words) - 14:58, 28 December 2023
• MIDI
  ...ol, which is a real-time messaging format that encodes musical events such as note on/note off, velocity, tempo, controls, etc. ...sociates MIDI program numbers with a specific bank of 175 instruments such as oboes, pianos, drums, and so forth.
  5 KB (672 words) - 15:27, 28 December 2023
• XML
  ... resource exist. This is a potential preservation risk with XML documents, as they may outlive the DTD and Schema documents that characterize them, or th ... of the tag, like <BR /> instead of <BR>), and these are known as XHTML. This format may be served under the XML or HTML MIME types, and brow
  4 KB (581 words) - 14:58, 28 December 2023
• SGML
  ...specifics of a particular markup format. [[HTML]] was originally developed as a version of SGML, but has drifted away from this and the current HTML 5 is
  1 KB (146 words) - 03:03, 29 December 2023
• DOCX
  ...(.DOCX) is the default file format for documents created by Microsoft Word as of Word 2007. The format is based on [[XML]] component files in a containe This format (or the XML components of it) has been referred to as [[WordProcessingML]], a name also used for the standalone XML files the ear
  5 KB (657 words) - 04:07, 28 December 2023
• Magnetic stripe card
  ...ssette player to an audio plug, and using a ruler to line up the tape head as you run it along the desired track. ([http://www.gae.ucm.es/~padilla/extraw
  3 KB (394 words) - 17:41, 10 June 2013
• PPTX
  ... is the default file format for documents used by [[Microsoft PowerPoint]] as of PowerPoint 2007. The format can be read by the Open Source OpenOffice an This format has sometimes been referred to as [http://officeopenxml.com/anatomyofOOXML-pptx.php PresentationML] by the sa
  2 KB (316 words) - 15:20, 28 December 2023
• XLSX
  ...X''') is the default file format for documents used by [[Microsoft Excel]] as of Excel 2007. In prior versions, the default version was [[XLS]]. This format (or the XML components of it) has been referred to as [[SpreadsheetML]], a name also used for the standalone XML files the earlie
  3 KB (490 words) - 00:27, 2 June 2019
• Image file creation software
  ...ion software is often embedded into chips built into imaging hardware such as digital cameras and scanners. -->
  164 B (24 words) - 14:00, 20 April 2024
• Video software
  ...n often be created by software embedded within video capture hardware such as digital video cameras. -->
  1 KB (164 words) - 14:12, 20 April 2024
• Audio software
  ...e creation software''' can often be built into audio capture hardware such as note taking equipment and electronic synthesisers. -->
  2 KB (207 words) - 14:10, 20 April 2024
• WAV
  ...al format for first-generation (master) files, often with a metadata chunk as specified in the Broadcast Wave ([[BWF]]) standard.
  2 KB (290 words) - 04:08, 28 December 2023
• 8 mm movies
  ...rs wide. There are two principal versions: standard 8 mm film (also known as "regular" or "Double") and Super 8, which has smaller and more widely space ...oop" was an early commercial success via direct sales to consumers as well as via exhibition in (sometimes coin-operated) "peep show" adult theaters.
  2 KB (247 words) - 00:22, 27 February 2015
• Resource Fork
  ...directory called '''resource.frk''', or else a name with an underscore (_) as its first character (e.g., _MACOSX for OS X files) containing subdirectorie
  2 KB (251 words) - 13:02, 8 March 2023
• ASCII
  ...sort, precluding such character set extensions.) Some writing systems such as Chinese, Japanese, and Korean were entirely unsuitable for ASCII-based char ASCII characters have been used artistically to draw pictures, which is known as [[ASCII Art]].
  4 KB (626 words) - 05:20, 27 June 2019
• UTF-8
  ...n alphabet. With other scripts it may not provide as efficient an encoding as [[UTF-16]]. A Unicode code point is encoded as either 1, 2, 3, or 4 bytes. (Early versions of UTF-8 defined sequences with
  2 KB (347 words) - 19:09, 23 August 2020
• Text Encoding Initiative
  ... guidelines are used widely in the humanities and social sciences, as well as by libraries and museums.
  583 B (75 words) - 09:27, 1 September 2020
• Python
  ...ng free, open-source software in contrast to proprietary technologies such as those from Microsoft) along with [[Perl]] and [[PHP]]. ...r languages which use explicit items such as curly braces or keywords such as [[Pascal]]'s '''begin''' and '''end''' (though in those languages it is sti
  7 KB (917 words) - 15:23, 28 December 2023
• ReStructuredText
  ... is a text [[markup]] format with the file ending of .rst. It was created as part of the [[Python]] docutils project and is often used in that community
  616 B (80 words) - 20:25, 23 April 2015
• ReStructuredText/spec
  as section headings, bullet lists, and emphasis. The markup used is as minimal and unobtrusive as possible. Less often-used constructs
  104 KB (14,340 words) - 01:02, 22 May 2013
• Format validation and analysis software
  As well, [[Wikipedia:Checksum|checksums]], [[Wikipedia:Hash function|hash]] an
  1 KB (142 words) - 13:15, 23 September 2023
• Mm
  ...9_0_beta2&revision=1.1.2.4]. The schema for the latest development version as of November 2012 is identical.
  2 KB (244 words) - 14:47, 14 January 2018
• OpenDocument Spreadsheet
  ...ument|Open Document Format for Office Applications]] (commonly referred to as OpenDocument), an [[XML]]-based file format defined by the Organization for ...files, be represented in one of two fashions - as a single XML document or as a collection of several sub-documents within a single package (commonly a [
  4 KB (548 words) - 08:17, 3 February 2024
• Unicode
  ...various [[Written Languages|writing systems]] (modern or ancient), as well as special symbols of many types, are each given a number. It was devised begi ..., with a minimum of four hex digits. For example, code point 42 is written as U+002A, and code point 1,114,109 is U+10FFFD.
  6 KB (928 words) - 04:54, 30 August 2019
• JSON
  ...f specialized formats; the geospatial format [[GeoJSON]] is based on JSON, as is the remote-procedure-call protocol [[JSON-RPC]] and the [[JSON-LD]] link ...recede a quote or backslash used as a character within the string, as well as \b for backspace, \f for formfeed, \n for newline, \r for carriage return,
  7 KB (984 words) - 15:02, 28 December 2023
• Common Data Format
  ...s]. The NASA Planetary Data System (PDS) adopted CDF with some constraints as an archive standard {https://pds-ppi.igpp.ucla.edu/doc/CDF-A-Specification-
  2 KB (306 words) - 05:32, 6 December 2022
• NetCDF
  ...ted APIs (which are numerous), the user can effectively ignore issues such as endianness. Either of the first two may be referred to as NetCDF-3.
  4 KB (533 words) - 14:10, 12 October 2018
• Morse code
  ... "dashes", consisting of short and long signals sent over some medium such as a telegraph wire or radio signal. It is named after telegraph pioneer Samue ...r help, which does not require a 3 unit spacing between words, and is sent as a single character would have been, spaced by a single unit of time.
  2 KB (300 words) - 22:20, 4 March 2016
• ISO 646
  * [[ISO 646-US]] (Same as [[ASCII]]) - [http://www.kreativekorp.com/charset/encoding.php?name=US-ASCI
  4 KB (612 words) - 19:25, 2 June 2019
• Inform
  * .i6: Sometimes seen to refer to Inform 6 files as opposed to Inform 7 files, usually in projects mixing both Inform 7 and Inf
  2 KB (342 words) - 07:28, 11 November 2012
• Glulx
  ...in the [[Blorb]] container format. Usually along with other resources such as [[Graphics|images]] and [[Audio|sounds]].
  2 KB (311 words) - 22:18, 5 January 2020
• Fig
  ...to other formats suitable for printing or embedding in other objects (such as [[LaTeX]] documents.) Although primarily a vector graphics format it suppor
  1 KB (141 words) - 04:00, 28 December 2023
• BRU
  ...) BRU came later in the operating system's history than other formats such as FLX and DMP and is therefore somewhat more complex. BRU was used in environ (Is this the same format as that produced by the Tolis Group's BRU product ? I don't know.)
  661 B (105 words) - 18:01, 3 July 2020
• Windows 1252
  ...1) (plus the [[ASCII]] control characters of the [[C0 controls]]), as well as additional characters in the range 128-159, which in ISO 8859 is reserved f ...all. Instead, "iso-8859-1" and many other encoding names are to be treated as [https://www.w3.org/TR/encoding/#names-and-labels aliases of Windows 1252].
  2 KB (283 words) - 17:33, 23 June 2019
• Macintosh encodings
  ...t encoding corporate logos. In practice, the Apple logo is usually encoded as U+F8FF, in Unicode's "private use" area.
  2 KB (302 words) - 22:01, 15 June 2019
• PRONOM
  * Each record can be downloaded as XML. (e.g. [http://www.nationalarchives.gov.uk/PRONOM/fmt/10.xml fmt/10.xml * Also [http://test.linkeddatapronom.nationalarchives.gov.uk/ published as linked data], using [http://test.linkeddatapronom.nationalarchives.gov.uk/v
  979 B (124 words) - 18:10, 12 October 2023
• Nmind
  ... mind mapping software application, originally for the Mac and now Windows as well. The file format can be created, read and manipulated using the NovaMi ...at [http://www.novamind.com/ http://www.novamind.com/]. The latest version as of 2012 is NovaMind 5. The file format has changed at all or most of the ma
  907 B (140 words) - 14:47, 14 January 2018
• Encryption
  (make one type of file appear as a different type of file or no type at all) ...ssion]], [[archiving]], and [[filesystem]] formats, may support encryption as a built-in feature or through plug-ins.
  10 KB (1,031 words) - 17:35, 12 November 2023
• ROT13
  would be encoded as this: ...iliar with some common words, phrases, and acronyms as ROT13 encoded, such as "EBG13".
  2 KB (284 words) - 13:35, 2 September 2023
• IFF
  ...tronic Arts on the Commodore Amiga computer in 1985. It is sometimes known as '''IFF 85'''. IFF defines a number of standard chunks types. Additional types are invented as needed by IFF-based formats.
  7 KB (994 words) - 18:08, 28 December 2023
• Spark
  ...OS file attributes. Subdirectories are possible, in a way, by storing them as nested Spark archives. ...s to support all methods supported by ''!Spark for UNIX'' 1 and 2, as well as method 9.
  3 KB (400 words) - 02:55, 28 December 2023
• FidoNet nodelist
  ...ne:net/node.point'''), take the number in field 2 of the entry for the BBS as the 'node' part, and get the 'net' and 'zone' parts by going upward in the ...number as the corresponding nodelist. Compressed versions used A, Z, etc., as the first letter of the extension to note compression method, similarly to
  5 KB (879 words) - 06:41, 2 December 2021
• Intel HEX
  Intel HEX is a format that stores binary data as hexadecimal digits in ASCII. It's often used for simple memory images, for
  321 B (46 words) - 19:17, 11 March 2015
• PETSCII
  ...th the [[C0 controls|C0]] and [[C1 controls|C1]] ranges) to do such things as change the color of text. [[Unicode]], as of version 13.0.0, supports essentially all of the PETSCII glyphs.
  2 KB (326 words) - 20:01, 16 February 2024
• EXE
  The byte at offset 3 ''should'' be <code>0x00</code> or <code>0x01</code>, as it is the high byte of a field whose valid values are 0 through 511. Howeve
  2 KB (304 words) - 15:17, 28 December 2023
• COFF
  ...es. It was originally developed for UNIX System V by AT&T. It was intended as a replacement for [[a.out]], adding features like shared libraries and relo
  881 B (140 words) - 16:18, 12 September 2016
• FLIC
  '''FLIC''' (also known as '''FLI/FLC''', '''FLI''', or '''FLC''') is a family of animation formats as ...metimes used to mean the specific corresponding format, and sometimes used as collective names for both formats.
  3 KB (384 words) - 19:51, 25 April 2024
• Source code
  ...'' is the program code of a [[Programming Languages|programming language]] as stored in a computer's memory or in a file or other storage medium (program ... programmer-oriented development environments offer enhanced features such as language-specific syntax highlighting and integrated access to compilers. H
  2 KB (296 words) - 04:56, 30 October 2020
• JP2
  ...t-files Jpylyzer test files] - annotated set of images, primarily intended as test dataset in support of jpylyzer development. Includes many (deliberatel
  5 KB (648 words) - 17:27, 16 October 2019
• Bar codes
  ...printed in any arbitrary color (usually black). A bar code format is known as a "symbology".
  4 KB (564 words) - 05:10, 21 October 2023
• ROM and memory images
  * [[BIN (Nintendo 64)]] (Binary image - Same as Z64) * [[JAP]] (Region specific - Same as Z64)
  4 KB (547 words) - 18:34, 1 June 2022
• Crtemplate
  Factors that can help identify a candidate file as of this format. Include magic numbers, signatures etc if available. Eg:
  1 KB (189 words) - 15:05, 4 November 2012
• ICalendar
  ...o reflect updates to the calendar events). Various calendar software (such as the calendar app on [[iOS]] or [[Android]] devices) will let you subscribe ...import which does not automatically update to reflect changes in the event as subscribable calendars do.
  7 KB (1,096 words) - 00:36, 26 August 2021
• Org-mode
  Outside of Emacs, Org-mode files can be viewed as human-readable plain text.
  791 B (109 words) - 15:17, 6 April 2018
• EAS3
  ...her formats and process it. It is intended to help deal with problems such as endianness and floating point implementation differences between computers.
  1 KB (207 words) - 18:22, 17 November 2012
• SDF
  ...om the Data Protocols Team for publishing and sharing data (formerly known as Simple Data Format),
  544 B (77 words) - 22:59, 3 July 2014
• Cubase
  ...and equipment company Steinberg for music recording, arranging and editing as part of a Digital Audio Workstation. It is one of the oldest DAWs to still ...nberg was acquired by U.S. firm Pinnacle Systems, within which it operated as an independent company before being sold to Yamaha Corporation in December,
  4 KB (590 words) - 04:45, 31 January 2021
• PDF
  As well as the 'full function' ISO 32000-1:2008 (or PDF 1.7), there are also PDF/X, PD ...pec (ISO 32000-2) was published in 2017-07, with some new features as well as clarification of conformance with existing features.
  20 KB (2,718 words) - 04:25, 28 December 2023
• Guitar tablatures
  ...ical pieces. It was done in writing (for various other instruments as well as the guitar) for centuries, but is now commonly done in electronic form for ... legal threats or actual litigation because the tablature files are viewed as infringing on the music publishing rights for the songs.
  1 KB (230 words) - 15:44, 9 August 2013
• Fonts
  Fonts describe how text looks (as opposed to how the characters are represented in text, which is the area of
  4 KB (549 words) - 02:59, 1 October 2023
• SXI
  '''SXI''' was used by StarOffice as a presentation format. It is a member of the [[OpenOffice.org XML]] family
  465 B (62 words) - 14:06, 6 July 2018
• SDC
  '''SDC''' was used by StarOffice as the spreadsheet format.
  476 B (50 words) - 04:07, 28 December 2023
• Wiki markup
  ...ovices than HTML, but over time tended to get complicated as features such as tables and templates were added. * [https://blog.wikimedia.org/2012/12/07/inventing-as-we-go-building-a-visual-editor-for-mediawiki/ Why making visual editors for
  2 KB (235 words) - 21:05, 14 April 2016
• Development
  ...ing.net/2014/04/24/band-releases-album-as-linux-k.html Band releases album as Linux kernel module]
  4 KB (521 words) - 15:39, 15 October 2023
• Game data files
  ...at all of these can be enumerated here in some way or another. And as long as the games can still be run by an [[Emulation_Software|Emulator]] it's not t This section details formats such as [[Interplay ACM]] and [[Unreal Music Format]] which are used in a number of
  11 KB (1,391 words) - 18:49, 24 April 2024
• Page description languages
  ...ats describe how a page that is to be printed looks like. It's mostly used as final format before the data is sent to the printer. See also [[Document]], * [[Enhanced Metafile|EMF]], a variant of WMF as used by Windows in print spooling
  1 KB (159 words) - 12:02, 12 September 2020
• GRASP GL
  ...mple container format. It contains embedded files in various formats, such as [[PCPaint PIC]], [[PCPaint CLP|CLP]], [[GRASP font]], and apparently [[GIF]
  2 KB (259 words) - 19:52, 25 April 2024
• PCPaint PIC
  '''PCPaint PIC''', also known as '''Pictor''' format, is an image format associated with the ''PCPaint'' fam Be aware that there are about four different formats that could be known as "PCPaint PIC". This article and related articles attempt to explain the sit
  5 KB (683 words) - 04:24, 28 December 2023
• JIS
  * [[JIS X 0208]], supporting Kanji and Hiragana as well. There are 1978, 1983, 1990, and 1997 versions of the standard.
  914 B (123 words) - 02:39, 21 May 2019
• ARJ
  ... ARJ32 have a hard-coded expiration date. They do not work, or do not work as well, if they think they are being used after that date. Expiration can man ...Z77 with Huffman coding|LZ77+Huffman]]. These are all essentially the same as [[LHA]]'s "lh6" method, but with the history window artificially limited to
  8 KB (1,236 words) - 15:10, 28 December 2023
• PCX
  ... format. However, it was tied closely to platform-specific attributes such as the particular graphic modes available in early PCs, and later lost ground
  6 KB (883 words) - 02:03, 28 December 2023
• GIF
  ...longside [[JPEG]]), though eventually PNG did become widespread on the Web as well. The patent in question expired in the US in 2003, and in other count ...he format at CompuServe pronounced GIF as "jif" with a soft "G" /ˈdʒɪf/ as in "gin". Steve Wilhite, the engineering lead at CompuServe, said that the
  17 KB (2,422 words) - 19:05, 23 April 2024
• Hugo
  Hugo allows for the creation of game with multimedia elements, such as [[Audio|sound]], [[Graphics|images]] and [[Video|video]]. The multimedia re
  2 KB (298 words) - 07:55, 11 November 2012
• Flexible Image Transport System
  The metadata is stored as a list of key-value pairs, with the keys being up to eight characters long, [[PSRFITS]] is a particular variety of FITS for storing pulsar data, as used, for instance, in the SETI@Home project to analyze such data for possi
  4 KB (529 words) - 03:28, 28 December 2023
• Tape Archive
  ... on backup tapes. Archived data in the tar format is sometimes referred to as a "tarball". ...ffer built-in support for this combined operation by using a modifier such as '''z''' (gzip) or '''j''' (bzip2). When extracting files, the compression f
  5 KB (720 words) - 10:33, 12 April 2024
• UltraCompressor II
  ...support for OS/2 extended attributes. It was a commercial program released as a "try-before-you-buy" download. It was developed by Ad Infinitum Programs ...hat a designation like "UltraCompressor II revision 3" is roughly the same as "UltraCompressor version 2.3".''
  2 KB (316 words) - 05:14, 28 December 2023
• GB
  ... header contains information about the the program and the cartridge, such as title, ROM size, RAM size, type of MBC, which hardware it supports and chec MBC2 ram consists of 256 bytes which are accessible as the low 4 bits of a 512 bytes address range, $a000-$a1ff. The upper 4 bits
  4 KB (699 words) - 03:36, 12 July 2020
• Thomson-CSF system
  ... partnerships, and lines of business. It is now named Technicolor, and has as one of its subsidiaries the American-based company responsible for the colo
  1,004 B (147 words) - 16:30, 9 December 2012
• UTF-7
  ...h 0XFF). It is compatible with ASCII except that the character "+" is used as a shift code. ... charset code UTF-7 (MIBenum 1012), there is an earlier version designated as charset UNICODE-1-1-UTF-7, alt csUnicode11UTF7, MIBenum 103.
  697 B (99 words) - 02:36, 21 May 2019
• Adobe Standard Encoding
  ...be Standard Encoding''' is an 8-bit encoding extended from [[ASCII]], used as the default encoding for many [[PostScript font|PostScript fonts]]. Codes 3
  531 B (61 words) - 17:19, 18 May 2019
• VOTable
  The current version (as of late 2012) is VOTable 1.2, standardised in an IVOA Recommendation<ref>Fr ...n.wikipedia.org/wiki/International_Virtual_Observatory_Alliance IVOA] acts as a standardisation body for [http://en.wikipedia.org/wiki/Virtual_observator
  2 KB (228 words) - 02:50, 30 June 2014
• DjVu
  ...h as a document outline, so the format can serve some of the same purposes as [[PDF]].
  2 KB (285 words) - 04:07, 28 December 2023
• FAT32
  ...cly. Nowadays the FAT32 filesystem is mostly used on portable devices such as thumbdrives, external hard drives and SD cards.
  707 B (92 words) - 16:53, 25 August 2019
• Comics
  ...pictures, usually in sequential panels (though single-panel cartoons exist as well) to tell a story or otherwise communicate information or entertainment ...ns to sizable companies) have challenged the big corporate publishers such as DC and Marvel, though the comic market largely moved from mainstream newsst
  5 KB (764 words) - 00:06, 20 January 2016
• JPEG
  ...e serialized form of the compression format it defines is referred to only as the "interchange format". ITU-T Rec. T.851 refers to the interchange format as ''JPEG-1''.
  19 KB (2,741 words) - 05:18, 28 December 2023
• TIFF
  '''TIFF''', formerly known as '''Tag(ged) Image File Format''', is an image format capable of storing mul ...are lossless, including [[LZW]] and, for bitonal images [[CCITT Group 4]], as used for facsimile transmission [fax]. [[JPEG]] baseline DCT-based lossy c
  11 KB (1,474 words) - 22:27, 2 April 2024
• MAME
  ...me's ROM and disk data, MAME attempts to reproduce that game as faithfully as possible on a more modern general-purpose computer. MAME can currently emul
  490 B (67 words) - 03:16, 7 November 2012
• PearPC
  ...It can be used to run PowerPC [[Operating_Systems|operating systems]] such as for example Darwin or MacOS. ... Using this CPU, the client will run about 500 times slower than the host. As of version 0.4 the generic CPU emulation runs well even on big-endian and 6
  2 KB (249 words) - 01:07, 30 December 2014
• Wine
  ...D and Mac OSX. It is not strictly an [[Virtualization_Software|emulator]], as it actually implements Windows API calls.
  481 B (67 words) - 17:19, 29 March 2017
• Simple Data format
  ...m C, different versions of FORTAN, and IDL. The software can be downloaded as a tarball from [http://solarmuri.ssl.berkeley.edu/~fisher/public/software/S As noted, the format is described inthe Manifesto at [http://solarmuri.ssl.ber
  2 KB (315 words) - 18:36, 17 November 2012
• Tabular Data Package
  ...ot related to [[Simple Data format]] by George H. Fisher). It is described as a "simple data publishing format for publishing and sharing data". It is cr
  1 KB (161 words) - 16:22, 23 April 2017
• SheepShaver
  * Runs MacOS 7.5.2 thru 9.0.4. MacOS X as a guest is not supported.
  669 B (87 words) - 01:00, 30 December 2014
• Structure Data File
  ...tructure Data File''' is one of several scientific data file formats known as [[SDF]]. It is a component of the [[CTab]] format for chemical and molecula
  315 B (47 words) - 23:26, 10 November 2012
• ISO 8859-1
  ...erate or transmit text, mistakenly identify Windows-1252-encoded documents as ISO-8859-1 in headers and parameters).
  2 KB (213 words) - 17:30, 25 May 2019
• CCS64
  ... is pixel exact and considers all strange effects, both known and unknown, as it emulates the inner workings of the VIC chip.
  2 KB (343 words) - 00:31, 24 June 2015
• IPF
  The Software Preservation Society (SoftPres, formerly known as CAPS, the Classical Amiga Preservation Society) have created their own (pro
  2 KB (215 words) - 02:57, 6 March 2024
• Magnetic tape
  * [[Audio Cassette]] (includes uses as computer data storage medium)
  1 KB (145 words) - 15:20, 10 December 2019
• DXF
  ...inent. Both ASCII and Binary versions can be identified using the same tag as the [[DWG]] format. Binary DXF is not to be confused with [[DXB]], a relate
  3 KB (423 words) - 21:56, 7 March 2024
• Audio Cassette
  ...ned for such uses as office dictation (replacing earlier technologies such as the [[Dictabelt]]), it eventually achieved greater sound quality to permit ...nd hobby computers of the 1970s and 1980s, audio cassettes were often used as a data storage medium, until disk drives became sufficiently available and
  5 KB (619 words) - 19:36, 26 June 2022
• DWG
  Below is a list of DWG versions as identified with PRONOM, but more research is needed. [https://help.autodesk
  2 KB (284 words) - 15:13, 28 December 2023
• Jingle Card Cassette
  ...arying in length from seconds to minutes. It was extensively used by DJ's, as the tape would cue automatically after playing using a pilot tone.
  377 B (61 words) - 20:35, 17 November 2012
• Standard Delay Format
  ... delay and timing information of electronic systems". It has been approved as an IEEE standard P1497 in December 2001. A pre-approval version is availabl A Standard Delay Format file contains its own version number as part of its header, see below.
  2 KB (243 words) - 02:47, 30 June 2014
• Akai Disk Format
  ...plers use MS-DOS formatted disks. Akai S5000/S6000 uses the [[WAV]] format as default but can also read samples produced by earlier samplers. Akai MPC200
  663 B (95 words) - 20:33, 17 November 2012
• MAT
  ... source alternative to Matlab, should be able to read and write the format as well. Scientific computing packages [http://numpy.scipy.org/ NumPy and SciP At offset 12 the imaginary flag is stored as 4 byte integer.
  4 KB (555 words) - 15:12, 28 December 2023
• Nikon
  ...ffers slightly.''' In particular, the D1 does not use the LensIDNumber tag as later cameras do. It also does not store the number of shutter actuations o
  4 KB (645 words) - 02:55, 28 December 2023
• DNG
  ...resent. However, some files containing this tag would be better identified as a specific [[Cameras and Digital Image Sensors|raw camera format]].
  4 KB (502 words) - 15:14, 28 December 2023
• VHS
  ...l helical scan, has limited audio and video bandwidth, signals are stacked as layers on the magnetic tape and is an [[Color-under]] ([[Heterodyne]]) vide ...nd a number of recorders support a still-slower speed designated variously as EP (Extended Play) or SLP (Super Long Play), which gives a recording capaci
  3 KB (430 words) - 16:04, 17 January 2016
• NTSC
  ...d, resulting in shifting of hue. [[PAL]] does not suffer from hue shifting as it uses a smarter devised color carrier.
  772 B (111 words) - 20:13, 17 November 2012
• Adlib Tracker II instrument bank
  ... consists of two parts - a header containing authenticity information such as [[CRC]] and the format version, which is ended by one or more values contai
  1 KB (167 words) - 20:24, 23 October 2015
• Adlib Tracker II module
  ... consists of two parts - a header containing authenticity information such as [[CRC]] and the format version, which is ended by one or more values contai
  1 KB (211 words) - 04:08, 28 December 2023
• Adlib Tracker II pattern
  ... consists of two parts - a header containing authenticity information such as [[CRC]] and the format version, which is ended by one or more values contai
  968 B (133 words) - 20:28, 23 October 2015
• YM
  about the composer, the number of songs, the replay time, ... as well as a musics are stored in their original format (that is exactly the same as what
  7 KB (1,194 words) - 04:46, 28 December 2023
• D-Lusion Music File
  Sometimes referred to as D-Lusion / Delusion Music Format or D-Lusion / Delusion Digital Music Forma
  2 KB (239 words) - 05:15, 28 December 2023
• Ontology
  ...ive) qualities. Ontologies are very important for [[Digital Preservation]] as it makes objects and their relations to other objects easier to describe. A
  1 KB (150 words) - 17:27, 10 June 2017
• FLAC
  ...extension <code>.flac</code>), or in an [[Ogg]] container (when it's known as OggFLAC). When FLAC is used as a file format, it begins with the ASCII signature "{{magic|fLaC}}".
  3 KB (418 words) - 04:09, 28 December 2023
• RAR
  ...nd WinRAR. It was originally for DOS, but has been widely used on Windows (as WinRAR) and other platforms. ...1.34 beta (1993-12-05) seems to be the oldest version known to still exist as of this writing. There were probably about a dozen earlier versions, starti
  8 KB (1,189 words) - 10:55, 12 April 2024
• PSI-MI XML
  This page describes the PSI-MI XML file format, also known as MIF. The PSI MI format is a data exchange format for molecular interactions <!--Factors that can help identify a candidate file as of this format. Include magic numbers, signatures etc if available. Eg: -->
  2 KB (264 words) - 16:57, 20 November 2012
• Cool Edit / Audition Multi Track Session file
  ...s not contain audio data but rather settings of a multi track session such as number of tracks, wave position, amplification, equalizing, effects, etc.
  1 KB (163 words) - 17:07, 8 January 2024
• MITAB
  <!--Factors that can help identify a candidate file as of this format. Include magic numbers, signatures etc if available. Eg: -->
  2 KB (286 words) - 21:29, 23 October 2015
• Poly Tracker module
  '''.ptm''' files are modules produced by Poly Tracker. As Poly Tracker was intended by the creator (Lone Ranger of AcmE) to be a bett
  835 B (116 words) - 04:08, 28 December 2023
• PSI-PAR
  <!--Factors that can help identify a candidate file as of this format. Include magic numbers, signatures etc if available. Eg: -->
  2 KB (290 words) - 18:57, 17 November 2012
• MzML
  <!--Factors that can help identify a candidate file as of this format. Include magic numbers, signatures etc if available. Eg: -->
  2 KB (274 words) - 14:54, 22 August 2023
• ATASCII
  ...number of programs to portray ATASCII on modern operating systems, as well as fonts designed from the originals.
  3 KB (448 words) - 13:48, 19 September 2018
• MP3
  ...s specified by [[MPEG-1]] Layer III and [[MPEG-2]] Layer III, standardized as ISO/IEC 11172-3:1993, with some additions in ISO/IEC 13818-3:1995. It uses
  3 KB (449 words) - 15:32, 28 December 2023
• Softdisk Family Tree
  ...other versions were released as standalone programs in various places such as an online download store. Later versions could import and export [[GEDCOM] ...cters) stored in a text file; I believe they were stored in the same order as the person records they were associated with so they could be matched up, s
  9 KB (1,234 words) - 14:10, 11 February 2020
• UTF-32
  UTF-32 is also known as '''UCS-4'''. There may be some subtle philosophical differences between the ...that the [[Byte Order Mark]] (zero-width no-break space) U+FEFF is encoded as byte sequence 00 00 FE FF in the big-endian version and FF FE 00 00 in the
  2 KB (251 words) - 02:37, 21 May 2019
• JHOVE
  ... an active open source project no longer backed by those institutions, and as of 2015 has become an official project of the Open Preservation Foundation. JHOVE2 was intended as a successor to JHOVE, but it does not support all the same formats, so both
  1 KB (138 words) - 15:06, 9 December 2015
• Game cartridges
  ...g capabilities, though eventually [[CD]]s and Internet downloads took over as more common means of distributing software for them rather than cartridges.
  3 KB (345 words) - 18:20, 6 September 2023
• ScreenWriter II
  ...pes, but sample files mentioned in the manual used a '''.text''' extension as part of their names. :'''.RM n''' Set right margin to n (as character position from the left; must be greater than left margin)
  9 KB (1,502 words) - 15:15, 28 April 2024
• LBR
  ...ols for manipulating LBR files were LU.COM and NULU.COM. Other tools, such as NSWP.COM, understood both LBR and some of the closely associated compressio * .LBR format definition, Gary P. Novosielski, 1984-08-19 -- available as LUDEF5.DOC in many CP/M archives (e.g., [http://www.retroarchive.org/cpm/cd
  3 KB (488 words) - 13:03, 12 April 2024
• CFX
  ....com announcement in comp.os.cpm]). The latter version is available widely as CFX13.ZIP, in particular at: ... source code (the latter should allow compilation for other platforms such as Unix, but it's not trivial)
  1 KB (183 words) - 16:51, 10 February 2021
• CP/M file system
  ...uld typically reside on a [[floppy disk]], or more rarely a [[hard disk]]. As such, such filesystems are also likely to reside in [[Disk Image Formats|di ... packaged for Debian and Ubuntu Linux, so installing it there is as simple as <tt>apt-get install cpmtools</tt>
  2 KB (249 words) - 01:11, 20 December 2020
• DSK (CPCEMU)
  ....php/Format:DSK_disk_image_file_format cpcwiki.eu] -- (FIXME just the same as above, or more information?)
  1 KB (172 words) - 15:05, 28 December 2023
• PC-Write
  ...ggested when you started the program was "WORK.DOC", suggesting '''.doc''' as the default file extension to be used, which could be confusing given MS-Wo ...ded by a control character that is entered as Alt-G in PC-Write but stored as Ctrl-K, which is officially the Vertical Tab character in ASCII.
  8 KB (1,378 words) - 23:37, 23 April 2018
• DEFLATE
  '''Deflate''' (stylized as '''DEFLATE''', '''Deflate''', or '''deflate''') is a widely used lossless c There is a popular extension of Deflate known as [[zlib]] format, and the term "Deflate" often turns out to mean zlib. Forma
  2 KB (208 words) - 15:07, 14 August 2021
• BMP
  ..., since, when loaded into memory using Windows software, the image is held as a DIB structure. ...ndard modified or compressed form of BMP/DIB, intended to be reconstructed as a DIB at runtime.
  12 KB (1,763 words) - 04:20, 28 December 2023
• DNA
  ...sions that an incorrect base manages to stick, a transcription error known as a mutation occurs, and this is how organisms evolve. ...in turn be part of any [[Electronic File Formats|electronic file format]]) as a series of trinary numbers.
  8 KB (1,012 words) - 01:40, 28 July 2021
• CCITT Group 4
  ...y-used lossless compression algorithm for bitonal images. It is also known as '''T6''', '''T.6''', '''Fax4''', '''G4''', '''Group 4''', or '''ITU-T Fax G * [[ImageMagick]] (specify the file format as "GROUP4")
  1 KB (159 words) - 01:33, 25 August 2020
• RNA
  ...hich are coded as G, A, U, and C respectively. Three of these are the same as those in DNA, but uracil (U) is used in place of the thymine (T) found in D ...y of RNA, albeit not in as complex and stable a manner as modern-day "life as we know it" which separates the functions of genetic material and protein f
  2 KB (238 words) - 15:42, 27 December 2020
• ArcPad
  ...es a number of data formats, including raster and vector graphics, as well as [[XML]]-based data. [[VBScript]] and [[JavaScript|JScript]] scripting is al
  560 B (75 words) - 07:50, 16 March 2013
• TIFF/EP
  [[TIFF/EP]] (also spelled '''TIFF-EP''') is a subtype of [[TIFF]] developed as an ISO standard for electronic photography. It is standardized by ISO 12234 ...resent. However, most files containing this tag would be better identified as [[DNG]], or one of a number of other [[Cameras and Digital Image Sensors|di
  2 KB (229 words) - 04:43, 13 September 2023
• TIFF/IT
  ... Tag image file format for image technology (TIFF/IT). TIFF/IT was revised as ISO 12639:2004, with a 2007 amendment to support [[JBIG2]] compression.
  2 KB (238 words) - 02:33, 10 February 2014
• TGA
  The first TGA format is now known as ''Original TGA Format'', or (informally) ''TGA Version 1''. It is character
  5 KB (708 words) - 04:40, 28 December 2023
• Optical Discs
  ... popularity at present, though physical formats in general are on the wane as a distribution format due to the widespread deployment of the high-bandwidt
  3 KB (352 words) - 17:30, 14 January 2022
• PUID
  Example: fmt/42 which can be resolved as http://www.nationalarchives.gov.uk/PRONOM/fmt/42 to a summary page for the
  781 B (106 words) - 20:23, 11 January 2016
• ARC (Internet Archive)
  ...consists of a series of uncompressed files or data streams (taken directly as received from the Web or another source) combined in a single file with hea
  1 KB (202 words) - 16:53, 29 February 2020
• Zoo
  ** As posted to Usenet comp.sources.unix 1987-08: [{{CdTextfilesURL|sourcecode/us
  6 KB (837 words) - 03:23, 28 December 2023
• Tokenized BASIC
  |caption=Sol BASIC screen shot (as simulated in Solace) ...ortant concern for slower computers (and is the reason some languages such as [[Python]] create [[bytecode]] files from the source code to help their int
  4 KB (609 words) - 13:15, 24 July 2022
• WARC
  ...00, Information and documentation -- WARC file format. WARC was developed as an extension to ARC in part to provide better capabilities for managing Web ...nsion. In cases where the warc.gz file needs to randomly accessed (namely, as part of web archives accessible page-by-page), this will consist of one gzi
  5 KB (696 words) - 03:26, 28 December 2023
• MrSID
  ...ech designed to enable portability of massive bit-mapped (raster) images. As of November 2012, the current ''generation'' of MrSID is Generation 4 (MG4)
  1 KB (168 words) - 02:56, 28 December 2023
• AMOS Music Bank
  ...dentifier within AMOS Memory Bank files), and may just refer to such files as created by the Konverter software (References: [https://aminet.net/package/
  1 KB (204 words) - 04:08, 28 December 2023
• Clay tablets
  * [http://users.ox.ac.uk/~wolf2728/Clay/ Clay as a digital storage medium]
  1 KB (234 words) - 03:18, 23 May 2014
• Scrivener
  ...sion in the name. (In Mac OS X, such directories are treated by the Finder as a single file, obscuring their internal structure, but in Windows they act
  1 KB (175 words) - 23:38, 23 April 2018
• Shapefile
  ...res (points, lines, and/or polygons) together with attribute details (such as labels and associated measurements) for the features. A shapefile is actua
  2 KB (276 words) - 18:04, 12 March 2024
• KML
  ...nting the KML encoding. Positions are located using longitude and latitude as defined by the World Geodetic System of 1984 (WGS84). KML became an interna
  2 KB (225 words) - 03:16, 12 March 2024
• AAS
  ...uthoring System) is an [[Interactive Fiction]] development system, created as a hoax. The GUI editor and game interpreter both run in Java. The game sour
  975 B (133 words) - 00:02, 5 September 2014
• GAGS
  ...teractive Fiction]] development system written by Mark J. Welch. It served as the basis for [[AGT]]. GAGS game files can be compiled by the [[AGT]] compi
  407 B (55 words) - 07:04, 13 November 2012
• E00
  '''E00''' is the informal name for an [[ESRI]] export format known as ArcInfo Interchange File Format or ESRI ArcInfo Export File Format. The for As of November 2012, the ArcInfo data model for which the E00 file format supp
  1 KB (187 words) - 14:33, 16 November 2020
• HDF4
  ...on 4 of [[HDF|Hierarchical Data Format]]. HDF4 was originally known simply as HDF. When Version 5 was introduced, it was dubbed [[HDF5]] to emphasize the ... elements allowing a user to associate related objects within an HDF file. As Vgroups can contain other Vgroups, it is possible to build a hierarchical f
  2 KB (265 words) - 15:44, 6 August 2017
• HDF5
  ...ne can create and store almost any kind of scientific data structure, such as images, arrays of vectors, and structured and unstructured grids. They can ...tml HDF5 Specification] Latest official specification from The HDF Group. As of November 2012, Version is 2.0.
  2 KB (285 words) - 00:06, 26 August 2021
• JPX
  * The possibility to combine multiple codestreams as composites or animations ...cial filename extension is '''.jpf''', and doesn't even mention '''.jpx''' as a possibility. However, some reputable sources say that '''.jpx''' is legit
  3 KB (439 words) - 17:27, 16 October 2019
• PCRaster Map
  ...raster.geo.uu.nl/ PCRaster home] (PCRaster software - released under GPLv3 as of version 4). * [http://www.qgis.org/ QGIS] (an open-source GIS) can read PCRaster maps as well.
  2 KB (283 words) - 14:57, 30 August 2015
• MJ2
  ...at defined by Part 3 of the [[JPEG 2000]] standard. [[MJ2]] supports audio as well. ... File Format]]. Codestreams in Motion JPEG 2000 files are JP2 codestreams, as defined for [[JPEG 2000]].
  2 KB (263 words) - 03:03, 29 December 2023
• Ultra Tracker
  ...s with the extension .ult. There are at least two versions of this format, as changes were made post-v1.3 of Ultra Tracker.
  1 KB (140 words) - 04:08, 28 December 2023
• ACQ
  ... is interleaved together; in the compressed format, each channel is stored as its own array, compressed by [[zlib]].
  1 KB (183 words) - 02:42, 10 February 2014
• DICOM
  However, as with any sufficiently-adopted standard, there are splinter factions. The mo The earliest versions of the standard were known as ACR/NEMA, after the American College of Radiology and National Electrical M
  7 KB (1,047 words) - 04:20, 28 December 2023
• PHP
  PHP files are often found as text files with the extension '''.php'''. The syntax rules allow [[HTML]] c ...or '''.phps'''] is used when the developer wants the PHP file to be served as source code rather than code executed on the server, for example to share a
  4 KB (657 words) - 02:50, 28 December 2023
• WordStar
  As with many early word processors, its files were basically plain text, with ... correctly meaning that the program couldn't interpret high-bit characters as other characters in extended character sets without a special marker).
  14 KB (2,246 words) - 05:18, 28 December 2023
• Extended Module
  ...ct tracker for [[MS-DOS]]. The format is also used by other trackers, such as [[DigiTracker]] and [[MilkyTracker]]. ...documentation by Mr.H of Triton (1994), included with the FT2 distribution as "Xm.txt"]
  3 KB (362 words) - 05:15, 28 December 2023
• LPCM
  '''LPCM''' stands for Linear Pulse Code Modulation, also referred to as Linear PCM. It is a digital audio encoding, using pulse code modulation (P
  1 KB (172 words) - 20:17, 1 June 2017
• Genecyst Save State
  ...s9, depending on the save slot used. There are two versions of the format, as it was changed post-v0.20.
  895 B (125 words) - 20:40, 14 November 2012
• MS-DOS
  ...r the hood; finally with [[Windows NT]] and later systems built on it such as [[Windows XP]] and its successors, the low-level operating system kernel wa
  3 KB (415 words) - 09:10, 31 July 2021
• WQ1
  As of 2014, the only modern software that reads WQ1 files is Quattro Pro (part
  1 KB (170 words) - 16:38, 2 October 2016
• WQ2
  As of 2014, the only modern software that reads WQ2 files is Quattro Pro (part
  1 KB (170 words) - 16:39, 2 October 2016
• RIFF
  | <code>LBit</code> || [[LB]] || Also known as Low Bitrate.
  4 KB (548 words) - 01:06, 12 May 2024
• Computer-assisted qualitative data analysis
  Computer-assisted qualitative data analysis, abbreviated as CAQDAS, denotes a type of software which is used to analyse combinations of
  742 B (92 words) - 01:39, 1 April 2016
• ASCII Art
  ...ontrol or escape codes. When [[ANSI escape code]]s are used, that is known as [[ANSI Art]]. ...ome up with pictures or cartoons printed entirely in text characters (such as the Snoopy picture ubiquitously found on the walls of computer centers). Th
  3 KB (433 words) - 16:12, 24 October 2020
• ANSI Art
  ...graphics might be stored in a file format other than ANSI Art format, such as [[BIN (Binary Text)|BIN]] or [[iCEDraw]]. As far as we know, there is no formal specification of ANSI Art format. It has many v
  4 KB (633 words) - 04:09, 28 December 2023
• AVI
  ...istries (Historic Registry)] Hosted by IANA. Implies use of video/vnd.avi as mimetype.
  2 KB (288 words) - 03:37, 18 February 2024
• NII
  ...TI files can be up to 7-dimensional: the first four dimensions are defined as 3 spatial dimensions and time, with the other dimensions used for "other st
  1 KB (187 words) - 21:48, 26 December 2019
• IMG/HDR
  The format is also known as '''Analyze 7.5'''. See also its successor, [[Analyze AVW]].
  1 KB (170 words) - 15:33, 4 May 2016
• Shannon–Fano coding
  ... any particular algorithm, so you can often think of Shannon–Fano coding as a synonym for [[Huffman coding]]. An exception would be if a format uses ''
  587 B (83 words) - 16:34, 28 January 2022
• Quattro Pro
  As of 2014, the Quattro Pro formats aren't well supported. Microsoft Excel dro
  3 KB (337 words) - 04:45, 28 December 2023
• AHX (Abyss)
  ...in modules with the extension .ahx. The module format was previously known as THX, but was changed for legal reasons.
  1,001 B (141 words) - 04:08, 28 December 2023
• CHM
  It is a compressed binary file format, including content in [[HTML]] as well as other related data. [[Microsoft Help 2]] was intended as a successor, but never saw much use.
  1 KB (176 words) - 04:07, 28 December 2023
• Ace Film
  ... allowing graphics created using Ace Computing's applications to be stored as a series of frames in a file, to be replayed layer using the Projector appl
  1 KB (186 words) - 19:55, 9 May 2021
• Zig Zag Ancient Greeks
  The format is laid down as follows: | 4 || General setup details such as volume,
  2 KB (343 words) - 01:08, 26 January 2014
• CMC
  ...computers (Atari 400 / 800, Atari XL and Atari XE). It was created in 1990 as [http://atariki.krap.pl/index.php/Avalon_Music_Composer Avalon Music Compos
  854 B (113 words) - 14:43, 8 April 2024
• Ext:as
  : ''Information for extension '''.as''''' * [[Special:Search/as|Search for 'as' on this wiki]]
  1 KB (147 words) - 16:36, 19 November 2012
• Apple Intermediate Codec
  ...primarily to serve as a fast editing format in video editing software such as Final Cut Pro.
  271 B (37 words) - 15:39, 18 October 2017
• Glossary
  ...ides the data into little pieces that can be represented numerically, such as pixels in an image. An analog signal (for instance, the music encoded in th ... having to do with file and disk management, they can do many other things as well. They can written to ask for user input and respond accordingly. Many
  15 KB (2,484 words) - 14:41, 7 January 2024
• INTERCAL
  ...designed to be maximally obtuse and incomprehensible, with statements such as '''PLEASE GIVE UP''' (which terminates the program; the "PLEASE" part is op
  2 KB (243 words) - 23:05, 6 June 2017
• TRAC programming language
  ...d up getting used for several unrelated software-related projects (as well as [http://www.crl.edu/sites/default/files/attachments/pages/trac_0.pdf Truste
  1 KB (203 words) - 14:54, 11 December 2014
• COMAL
  ...cluded, while COMAL had to be obtained separately, it never eclipsed BASIC as its creators may have intended.
  1 KB (148 words) - 06:30, 13 October 2021
• Euclid (Ace Computing)
  Assuming use of 2 and 8 to indicate move and draw, as in Draw paths; use of 6,
  5 KB (678 words) - 10:27, 21 May 2020
• Hashtags, at-signs, retweets, etc.
  ...s", which have sometimes leaked into other social-networking and messaging as things posted to Twitter get re-posted to other services, or users accustom ...; [[INTERCAL]] calls it a "mesh"). The intent is to tag a tweet or message as pertaining to a particular topic to make it more easily searchable. While t
  7 KB (1,074 words) - 03:29, 26 May 2022
• Ogg
  Because Ogg formats are free and open-source, not proprietary as many other formats are, they are preferred by many "free-media" projects in ...verter] (watch out for attempts to install annoying toolbars in installer, as is regretfully common these days)
  3 KB (438 words) - 15:31, 28 December 2023
• DEM
  ...ifferent products based on 7.5-minute, 15-minute, 2-arc-second (also known as 30-minute), and 1-degree grids on the earth surface.
  2 KB (320 words) - 15:06, 15 June 2016
• FidoNet message packet
  ...gnored in favor of reformatting the text at the recipient end) were stored as hex 8D. Linefeeds (hex 0A) might or might not follow the carriage returns (
  2 KB (310 words) - 00:12, 12 February 2020
• WordPerfect
  ...>PerfectOffice_OBJECT</code>, whereas the real document part is now stored as stream <code>PerfectOffice_MAIN</code>. #128, #160: treat as space ' '
  6 KB (767 words) - 04:25, 28 December 2023