Archiving

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|image=Magazine-files.jpg
 
|image=Magazine-files.jpg
 
}}
 
}}
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(Lossless, for generic data + file archives)
 
(Lossless, for generic data + file archives)
−
 
−
See also: [[Compression]], [[Error detection and correction]]
 
  
 
== Archiving only ==
 
== Archiving only ==
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* [[ARC (Internet Archive)]] (.arc)
 
* [[ARC (Internet Archive)]] (.arc)
 
* [[BagIt]]
 
* [[BagIt]]
 +
** [[Mailbag]]
 
* [[BAR (Age of Mythology)]]
 
* [[BAR (Age of Mythology)]]
 
* [[bar]] (SunOS 4)
 
* [[bar]] (SunOS 4)
 +
* [[CAR (CarComp)]]
 
* [[cpio]] (.cpio)
 
* [[cpio]] (.cpio)
 +
* [[DPK]]
 +
* [[FAR (The Sims)]] (.far)
 +
* [[Flash (Micro TECH Systems)]] (.flh)
 +
* [[GRP (Build Engine Group Archive)]] (.grp)
 
* [[Hamster archive]]
 
* [[Hamster archive]]
 +
* [[HMM Packfile]]
 +
* [[HRX]]
 
* [[LBR]] (.lbr)
 
* [[LBR]] (.lbr)
 
* [[LBR (Commodore)]] (.lbr)
 
* [[LBR (Commodore)]] (.lbr)
Line 24: Line 29:
 
* [[Mozilla Archive]] (.mar)
 
* [[Mozilla Archive]] (.mar)
 
* [[pax]]
 
* [[pax]]
 +
* [[QFC]]
 +
* [[Quake PAK]]
 +
* [[SAVF]]
 
* [[SeqBox]] (.sbx)
 
* [[SeqBox]] (.sbx)
 +
* [[siva]] (.siva)
 
* [[Tape Archive]] (.tar)
 
* [[Tape Archive]] (.tar)
 +
* [[TPAC (Tim Gordon)]]
 
* [[VIV]] (.viv, .big; used in Electronic Arts games)
 
* [[VIV]] (.viv, .big; used in Electronic Arts games)
 
* [[Webarchive (Safari)]]
 
* [[Webarchive (Safari)]]
 +
* [[XMIT]]
  
 
== Compression + archiving ==
 
== Compression + archiving ==
Line 33: Line 44:
  
 
* [[4Q]] (.4q)
 
* [[4Q]] (.4q)
 +
* [[777]]
 
* [[7z]] (.7z)
 
* [[7z]] (.7z)
 +
* [[ACB (compressed archive)|ACB]]
 
* [[ACE]] (.ace)
 
* [[ACE]] (.ace)
 
* [[afio]]
 
* [[afio]]
 +
* [[Ai Archiver]] (.ai)
 +
* [[AIN]] (.ain)
 +
* [[AKT]]
 
* [[ALZ]] (.alz) (ALZip)
 
* [[ALZ]] (.alz) (ALZip)
 +
* [[AMG (compressed archive)|AMG]] (AMGC)
 +
* [[ar (Haruhiko Okumura)]]
 +
* [[Apple Archive]] (.aar)[https://developer.apple.com/documentation/applearchive]
 +
* [[AR7]]
 
* [[ARC (compression format)|ARC]] (PC/MS-DOS) (.arc)
 
* [[ARC (compression format)|ARC]] (PC/MS-DOS) (.arc)
 
* [[ARC (Commodore)]] (.arc)
 
* [[ARC (Commodore)]] (.arc)
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* [[ARC (Internet Archive)]] (gzipped form: .arc.gz)
 
* [[ARC (Internet Archive)]] (gzipped form: .arc.gz)
 
* [[ArcFS]] (RISC OS) (.arc)
 
* [[ArcFS]] (RISC OS) (.arc)
 +
* [[ArcMac]]
 +
* [[ARG]]
 +
* [[ARHANGEL]]
 +
* [[ARI (compressed archive)|ARI]]
 
* [[ARJ]]
 
* [[ARJ]]
 +
* [[ARJZ]]
 +
* [[ARQ]]
 +
* [[ARX]]
 +
* [[ASD Archiver]]
 
* [[Astrotite]] (.afa)
 
* [[Astrotite]] (.afa)
 +
* [[B1]]
 
* [[B6Z]] (.b6z)
 
* [[B6Z]] (.b6z)
 +
* [[BGA Archive]] (.bza, .gza)
 +
* [[BIX]]
 
* [[BlakHole]] (.bh)
 
* [[BlakHole]] (.bh)
 +
* [[BLINK]] (.bli)
 +
* [[BOA Constrictor Archiver]]
 
* [[BRU]] - (RSX-11M backup)
 
* [[BRU]] - (RSX-11M backup)
 +
* [[BSArc and BSA]]
 +
* [[BTSPK]]
 
* [[Cabinet]] (.cab)
 
* [[Cabinet]] (.cab)
−
* [[CAR]] (a SAP archive format; also see [[SAR]])
+
* [[CAR (SAP)|CAR]] (a SAP archive format; also see [[SAR]])
 +
* [[CAR (MylesHi!)]]
 +
* [[CAZIPXP]] (.caz)
 +
* [[CFL]] (Compressed file library) (.cfl)
 +
* [[ChArc]] (.chz)
 +
* [[ChiefLZ]] (LZA)
 +
* [[CMZ (archive format)|CMZ]]
 +
* [[CODEC (Telvox)]]
 
* [[Compact File Set]] (.cfs)
 
* [[Compact File Set]] (.cfs)
 
* [[Compact Pro]] (.cpt)
 
* [[Compact Pro]] (.cpt)
 +
* [[Compressia]] (.car)
 +
* [[CP Shrink]] (.cpz)
 +
* [[CRUSH]]
 
* [[Disk Archiver]] (.dar)
 
* [[Disk Archiver]] (.dar)
 
* [[DGCA]] (.dgc)
 
* [[DGCA]] (.dgc)
 +
* [[Diamond]]
 +
* [[Doom WAD]] (.wad)
 
* [[DWC]] (.dwc)
 
* [[DWC]] (.dwc)
 +
* [[Dzip]] (.dz)
 +
* [[Eazel]] (.eaz)
 
* [[EGG (ALZip)]] (.egg)
 
* [[EGG (ALZip)]] (.egg)
 +
* [[ELI 5750]]
 +
* [[ERI (compressed archive)|ERI]]
 +
* [[ESP (compressed archive)|ESP]]
 +
* [[Fold (J. Turin)]]
 +
* [[FOXSQZ]]
 +
* [[Freeze!]]
 
* [[GCA]] (.gca)
 
* [[GCA]] (.gca)
 +
* [[Genus Graphics Library]]
 +
* [[GFSA]] (.fa)
 
* [[Greenleaf ArchiveLib]]
 
* [[Greenleaf ArchiveLib]]
 
* [[HA]] (.ha)
 
* [[HA]] (.ha)
 +
* [[HAP]]
 +
* [[HIT (compressed archive)|HIT]]
 
* [[HKI]] (WinHKI) (.hki)
 
* [[HKI]] (WinHKI) (.hki)
 +
* [[HPACK (compressed archive)|HPACK]] (.hpk)
 +
* [[HUF (CP/M)]]
 +
* [[Hyper archive]] (.hyp)
 
* [[ICE (ICEOWS)]] (.ice)
 
* [[ICE (ICEOWS)]] (.ice)
 
* [[IMP]] (.imp)
 
* [[IMP]] (.imp)
 
* [[JAR (ARJ Software)]] (.j)
 
* [[JAR (ARJ Software)]] (.j)
 +
* [[JARCS]] (.jar)
 +
* [[JRchive]] (.jrc)
 
* [[KGB Archiver]] (.kgb)
 
* [[KGB Archiver]] (.kgb)
 +
* [[Konqueror web archive]] (.war)
 +
* [[LArc]] (.lzs)
 
* [[LHA]] (.lzh, .lha)
 
* [[LHA]] (.lzh, .lha)
 +
* [[LHARK]]
 +
* [[LHice]]
 +
* [[LIMIT]] (.lim)
 
* [[LZX]] (.lzx)
 
* [[LZX]] (.lzx)
 
* [[MAFF]] (Mozilla web archive; uses ZIP for compression)
 
* [[MAFF]] (Mozilla web archive; uses ZIP for compression)
−
* [[NuFX]] (.bxy)
+
* [[MAr (Melting-Pot)]]
 +
* [[MDCD]] (.md)
 +
* [[Micrognosis Compression Archiver]] (MAR)
 +
* [[MPC (Marco Czudej)]] (.mp3)
 +
* [[MSXiE]] (.xie)
 +
* [[MZP]]
 +
* [[NaShrinK]] (.nsk)
 +
* [[Now Compress]]
 +
* [[NuFX]] / ShrinkIt (.shk)
 +
* [[OOP]]
 +
* [[oPAQue]]
 +
* [[PA (PowerArchiver)]]
 
* [[packARC]] (.pja)
 
* [[packARC]] (.pja)
 
* [[Packdir]] (RISC OS)
 
* [[Packdir]] (RISC OS)
 +
* [[PACKER (ImagiSOFT)‎]] (The Finishing Touch)
 
* [[PackIt]] (.pit)
 
* [[PackIt]] (.pit)
−
* [[PAK]] (.pak)  
+
* [[PAK]] (.pak) - various formats
 +
* [[PAK (ARC extension)]]
 +
* [[PAKLEO]]
 
* [[PAQ]] (.pa6, .pa7, .pa8, others)
 
* [[PAQ]] (.pa6, .pa7, .pa8, others)
 +
* [[PAQJ]] (.qar)
 +
* [[PC-Shrink]] (.shr)
 +
* [[PCX Library]] (.pcl)
 
* [[PEA]] (PeaZIP) (.pea)  
 
* [[PEA]] (PeaZIP) (.pea)  
 
* [[PerfectCompress]] (.uca)
 
* [[PerfectCompress]] (.uca)
 
* [[PIM]] (.pim)
 
* [[PIM]] (.pim)
 +
* [[PKARC/PKPAK]]
 +
* [[PLA]] (ARCHICAD Archive) (.pla)
 
* [[PMA]] (.pma)
 
* [[PMA]] (.pma)
 +
* [[PPMd]]
 +
* [[Pretty Simple Archiver]] (.psa)
 +
* [[PUT]] (MicroFox) (.put)
 
* [[Quadruple D Archiver]] (.qda)
 
* [[Quadruple D Archiver]] (.qda)
 
* [[Quantum compressed archive]] (.q)
 
* [[Quantum compressed archive]] (.q)
 +
* [[QuARK]] (.ark)
 
* [[RAR]] (.rar)
 
* [[RAR]] (.rar)
 +
* [[RARC (Nintendo)]]
 +
* [[RAX (compressed archive)|RAX]]
 
* [[RK]] (WinRK)
 
* [[RK]] (WinRK)
 +
* [[RKIVE]] (.rkv)
 
* [[S7z]] (.s7z)
 
* [[S7z]] (.s7z)
−
* [[SAR]] (a SAP archive format; also see [[CAR]])
+
* [[SAR]] (a SAP archive format; also see [[CAR (SAP)|CAR]])
 +
* [[SAR (Streamline Design)]]
 +
* [[SARJ]] (.srj)
 +
* [[SBX (SpinnerBaker Software)]] (.sb)
 
* [[Scifer]] (.sen, .ba, .xml)
 
* [[Scifer]] (.sen, .ba, .xml)
−
* [[ShrinkIt]] (.shk)
+
* [[SKY (compressed archive)|SKY]]
 +
* [[Slim!]]
 +
* [[SOF (Spectrum Software)]] (RESOF)
 
* [[Softlib]] (Softdisk Publishing) (.slb)
 
* [[Softlib]] (Softdisk Publishing) (.slb)
 
* [[Spark]] (.spk)
 
* [[Spark]] (.spk)
 +
* [[SQLite Archive]] (SQLAR)
 +
* [[Squash ARH|Squash]] (.arh)
 +
* [[Squeeze It]] (.sqz)
 +
* [[SQWEZ]] 2.x (.sqz)
 
* [[SQX]] (.sqx)
 
* [[SQX]] (.sqx)
 
* [[StuffIt]] (.sit)
 
* [[StuffIt]] (.sit)
 
* [[StuffIt X]] (.sitx)
 
* [[StuffIt X]] (.sitx)
 +
* [[SuperPack]] (.spa)
 +
* [[TBAFS]] (RISC OS)
 +
* [[Tome]]
 +
* [[TSComp]]
 +
* [[UFA]]
 
* [[UHARC]] (.uha)  
 
* [[UHARC]] (.uha)  
 
* [[UltraCompressor II]] (.uc, .uc0, .uc2, .ucn, .ur2, .ue2)
 
* [[UltraCompressor II]] (.uc, .uc0, .uc2, .ucn, .ur2, .ue2)
 +
* [[VEM]] (Sony Virtual Expander)
 
* [[WARC]] (.warc, .warc.gz)
 
* [[WARC]] (.warc, .warc.gz)
−
* [[xar]] (.xar)
+
** [[WACZ]] (packaged warc)
 +
* [[X (X1)]] (.x)
 +
* [[xar (Extensible Archive)]] (.xar)
 +
* [[Xidie archive]] (.zxc)
 
* [[XP3]] (.xp3) - used in [[KiriKiri Adventure Game System]]
 
* [[XP3]] (.xp3) - used in [[KiriKiri Adventure Game System]]
 +
* [[xpa32]] (.xpa)
 +
* [[XPACK archive]] (.xpa)
 +
* [[YAC]] (.yc)
 
* [[Yamazaki zipper archive]] (.yz1) - used in DeepFreezer
 
* [[Yamazaki zipper archive]] (.yz1) - used in DeepFreezer
 +
* [[ZAR (Zip-Archiv)]]
 +
* [[Zet]]
 
* [[ZIP]] (.zip)
 
* [[ZIP]] (.zip)
 
* [[Zipx]] (.zipx)
 
* [[Zipx]] (.zipx)
−
* [[ZOO]] (.zoo)
+
* [[Zoo]] (.zoo)
 +
* [[ZPack (LeadRDRK)]]
 +
* ZPack [Lite] (.zpk) - See [[Z/Install]]
 
* [[ZPAQ]]
 
* [[ZPAQ]]
−
* [[Zzip]] (.zz
+
* [[Zzip]] (.zz)
  
 
== Diff files ==
 
== Diff files ==
 
(containing only the parts of a file that have changed, so they can be applied to an existing file to update it; used for update distribution and incremental backups)
 
(containing only the parts of a file that have changed, so they can be applied to an existing file to update it; used for update distribution and incremental backups)
 +
 +
* [[ACB (compressed archive)|ACB]]
 
* [[binpatch (Jaap Korthals Altes)]]
 
* [[binpatch (Jaap Korthals Altes)]]
 +
* [[BinPatch (Kay Hayen)]]
 
* [[bsdiff]]
 
* [[bsdiff]]
 
* [[Courgette]]
 
* [[Courgette]]
 
* [[diff]]
 
* [[diff]]
 +
* [[dirpatch]]
 
* [[FidoNet nodediff]]
 
* [[FidoNet nodediff]]
 +
* [[FXPF]]
 
* [[GDIFF]]
 
* [[GDIFF]]
 
* [[IPS (binary patch format)]]
 
* [[IPS (binary patch format)]]
 
* [[JSON Patch]]
 
* [[JSON Patch]]
 +
* [[LDArc and LDIFF]] (.lzd)
 +
* [[rename helper]]
 
* [[RTPatch]]
 
* [[RTPatch]]
 +
* [[SmartVersion]] (.svf)
 
* [[Unified diff]]
 
* [[Unified diff]]
 
* [[UPS (binary patch format)]]
 
* [[UPS (binary patch format)]]
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See also [[Wikipedia:Data differencing]].
 
See also [[Wikipedia:Data differencing]].
 +
 +
== Versioning files ==
 +
(contains multiple versions of files, often just saving the differences to save space)
 +
 +
(often a filesystem-level capability, such as ZFS and Btrfs snapshots and Windows Shadow Copy)
 +
 +
* [[Autodesk Vault]]
 +
* [[SmartVersion]] (.svf)
 +
 +
See also [[Development#Revision_control_systems_.2F_code_repositories|Revision control systems / code repositories]]
  
 
== Encrypted or cryptographically signed archives ==
 
== Encrypted or cryptographically signed archives ==
 +
* [[SDN (SDN Project)]]
 
* [[XIP]]
 
* [[XIP]]
 
* [[ZED]]
 
* [[ZED]]
 +
 +
== File splitting ==
 +
(1 file => multiple files. Most file splitting utilities just produce raw file fragments, and don't have a native file format. But some use a container format, and some create a separate "control" file for metadata.)
 +
 +
* [[AS/ZC (Zip Chunker)]]
 +
* [[AUTOCHOP]]
 +
* [[LambChop]]
 +
* [[SPLIT (M. Dingacci)]]
 +
 +
Also, the two sorts of [[Horcrux]], [[Horcrux (jesseduffield)]] and [[Horcrux (kndyry)]], are split-and-encrypted files.
  
 
== Filesystem backup and restoration ==
 
== Filesystem backup and restoration ==
 
Formats designed for backing up disks, usually specifically targeted at particular [[filesystem]]s (but backing it up in the form of file structures, not raw sector images like [[Disk Image Formats]]).
 
Formats designed for backing up disks, usually specifically targeted at particular [[filesystem]]s (but backing it up in the form of file structures, not raw sector images like [[Disk Image Formats]]).
 
* [[BACKUP (MS-DOS)]]
 
* [[BACKUP (MS-DOS)]]
−
* [[BlockHashLoc]]
 
 
* [[Partimage]]  
 
* [[Partimage]]  
 
* [[ufsdump]]
 
* [[ufsdump]]
 +
* [[Unix dump]]
 
* [[Windows Imaging Format]] (.wim, .swm)
 
* [[Windows Imaging Format]] (.wim, .swm)
 +
 +
See also [[Backup]].
 +
 +
== Fake archiving ==
 +
Beware of these; they purport to be archivers but aren't really; you might lose any data you entrust to them. Could be somebody's idea of humor or malware.
 +
* [[OWS (fake compressed archive)]]
 +
* [[WIC (fake compressed archive)]]
  
 
== Institutional archiving ==
 
== Institutional archiving ==
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* [[CDX]] (associated with web archives)
 
* [[CDX]] (associated with web archives)
 
* [[DFDL]] (Data Format Description Language) - a file format for describing file formats
 
* [[DFDL]] (Data Format Description Language) - a file format for describing file formats
 +
* [[FilmConservationMetadata]]
 
* [[Internet Archive metadata]]
 
* [[Internet Archive metadata]]
 
* [[mtree]]
 
* [[mtree]]
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(see also [[Metadata]], [[Bibliographic data]])
 
(see also [[Metadata]], [[Bibliographic data]])
−
 
−
== Miscellaneous ==
 
−
* [[7-Zip]]
 
−
* [[Cache Directory Tagging Standard]]
 
  
 
== Program/App/Applet/Installer specialized archive formats ==
 
== Program/App/Applet/Installer specialized archive formats ==
 +
* [[Adobe Air]]
 
* [[APK]] (Android app)
 
* [[APK]] (Android app)
−
* [[Bento]] (1990s Apple cross-platform compound content format)
+
** [[XAPK]]
 +
*** [[OBB]]
 
* [[Bundle file (Linux)]]
 
* [[Bundle file (Linux)]]
 
* [[Bundle file (OS X)]]
 
* [[Bundle file (OS X)]]
 +
* [[Cabal]]
 +
* [[Cakewalk Bundle (BUN)]]
 +
* [[Cakewalk Bundle (CWB)]]
 
* [[Cross-Platform Installer Module]]
 
* [[Cross-Platform Installer Module]]
 
* [[deb]] (Debian package)
 
* [[deb]] (Debian package)
−
* [[GEOS Convert]] (.cvt)
+
* [[Eschalon Setup archive]] (.arv)
 +
* [[FIZ]]
 +
* [[Garc archive]] (.gar)
 
* [[IPS archive|Image Packaging System (IPS) archive]] (.p5p)
 
* [[IPS archive|Image Packaging System (IPS) archive]] (.p5p)
 
* [[IPS manifest|Image Packaging System (IPS) manifest]] (.p5m)
 
* [[IPS manifest|Image Packaging System (IPS) manifest]] (.p5m)
 
* [[Inno Setup self-extracting archive]]
 
* [[Inno Setup self-extracting archive]]
−
* [[InstallShield CAB]]
+
* [[InstallShield]]
−
* [[InstallShield Z]]
+
** [[InstallShield archive (IBT)]]
 +
** [[InstallShield CAB]]
 +
** [[InstallShield installer archive]]
 +
** [[InstallShield Self-Extracting EXE]]
 +
** [[InstallShield Z]]
 
* [[IPA]] (.ipa) => iOS app in archived form; actually in zip format
 
* [[IPA]] (.ipa) => iOS app in archived form; actually in zip format
 +
* [[IRIX software distribution format]] (.idb, etc.)
 
* [[Jar]] (.j, .jar) (Java) => this is just a renamed zip file with some mandatory files
 
* [[Jar]] (.j, .jar) (Java) => this is just a renamed zip file with some mandatory files
 +
* [[LIF (Knowledge Dynamics)]]
 
* [[Meta-Package File]] (.mpkg) (Mac OS X)
 
* [[Meta-Package File]] (.mpkg) (Mac OS X)
 
* [[Microsoft Update Standalone Package]]
 
* [[Microsoft Update Standalone Package]]
 +
* [[MRNZ]]
 
* [[NSIS]] (Nullsoft Scriptable Install System)
 
* [[NSIS]] (Nullsoft Scriptable Install System)
 
* [[Olive]] (executable virtual-machine archive of software)
 
* [[Olive]] (executable virtual-machine archive of software)
 +
* [[OS/2 PACK archive]]
 +
* [[OS/2 PACK2 archive]] (FTCOMP)
 
* [[Package File (OS X)]] (.pkg)
 
* [[Package File (OS X)]] (.pkg)
 +
* [[PackageForTheWeb]]
 +
* [[PC-Install]] (20/20 Software) - See also [[PC-Shrink]].
 +
* [[QIP (Quarterdeck)]]
 +
* [[RED (Knowledge Dynamics)]]
 
* [[RPM]] (RedHat Package Manager)
 
* [[RPM]] (RedHat Package Manager)
 +
* [[Setup Factory]] (Indigo Rose Software)
 
* [[SIS]] (Symbian)
 
* [[SIS]] (Symbian)
−
* [[TI variable file]]
+
* [[Snap]]
 +
* [[SWG]] (SWAG)
 +
* [[Unity package file]]
 +
* [[WAD (Wii)]]
 
* [[Windows Installer]] (.msi, .msp)
 
* [[Windows Installer]] (.msi, .msp)
 +
* [[Wise installer package]]
 +
* [[XAR (Executable Archive)]]
 +
* [[Z/Install]]
 +
* [[ZSoft ZPK2]]
 +
* [[Zune HD Application File]] (.zcp)
  
 
== Self-extracting archives ==
 
== Self-extracting archives ==
 
(in addition, some of the other archivers are able to produce executable files for some platform which include the archived data and a program to extract them, and generally have the file extension normal for executables, such as .exe for DOS/Windows. In many cases, if you rename the extension to the appropriate one for the archive type involved, e.g., '''.zip''', the file will open in the appropriate archiver, which is handy for extracting them on systems not compatible with the original executable.)
 
(in addition, some of the other archivers are able to produce executable files for some platform which include the archived data and a program to extract them, and generally have the file extension normal for executables, such as .exe for DOS/Windows. In many cases, if you rename the extension to the appropriate one for the archive type involved, e.g., '''.zip''', the file will open in the appropriate archiver, which is handy for extracting them on systems not compatible with the original executable.)
 +
* [[ARS]]
 +
* [[COMPACK]] / BUILDSFX
 +
* [[LHA/LHarc self-extracting archive]]
 +
* [[NETSEND]]
 +
* [[PMsfx]]
 
* [[SDA]] (Self Dissolving Archive)
 
* [[SDA]] (Self Dissolving Archive)
−
* [[SEA]] (Self-Extracting Archive]
+
* [[SEA (StuffIt)]] (StuffIt Self-Extracting Archive)
 
* [[Self-extracting ZIP]]
 
* [[Self-extracting ZIP]]
 
* [[SFX]] (Self-Extracting Archive)
 
* [[SFX]] (Self-Extracting Archive)
 
* [[shar]] (Shell Archive, in Unix-like systems)
 
* [[shar]] (Shell Archive, in Unix-like systems)
 +
* [[SQWEZ]]
  
−
== Transfer encodings ==
+
== Software ==
−
(convert binaries to printable ASCII for download; encode resource forks or metadata together with file, etc.)
+
Refer to [[Compression and archiving software]].
−
* [[Ascii85]]
+
 
 +
== Transfer formats ==
 +
(encapsulate a system-specific file structure to make it compatible with foreign systems, file transfer protocols, etc.)
 +
* [[AppleDouble]]
 +
* [[AppleSingle]]
 +
* [[Bento]] (1990s Apple cross-platform compound content format)
 
* [[Binary II]] (.bny) (for Apple II series) (often [[squeeze]]d as .bqy)
 
* [[Binary II]] (.bny) (for Apple II series) (often [[squeeze]]d as .bqy)
 
* [[BinHex]] (.hqx)
 
* [[BinHex]] (.hqx)
 +
* [[GEOS Convert]] (.cvt)
 
* [[MacBinary]]
 
* [[MacBinary]]
 +
* [[MAR Utility]]
 +
* [[oric-dsk-manager exported file]]
 +
* [[TI variable file]]
 +
 +
For low-level transfer encodings, see [[Transfer Encodings]].
 +
 +
== Uncategorized ==
 +
* [[Cache Directory Tagging Standard]]
 +
* [[Content Addressable Archive]] (CAR)
  
−
See also the main article, [[Transfer Encodings]].
+
== See also ==
 +
* [[Backup]]
 +
* [[Compression]]
 +
* [[Disk Image Formats]]
 +
* [[Executable envelopes#Executable libraries]]
  
 
== Links ==
 
== Links ==

Revision as of 18:10, 4 May 2024

File Format
Name Archiving
Ontology

{{{caption}}}

(Lossless, for generic data + file archives)

Contents

Archiving only

(many files => 1 file, no compression attempted)

Compression + archiving

(Multiple files => 1 file, makes it smaller. See Compression for formats that compress single files/streams, and Disk Image Formats for formats that capture the low-level structure of a disk)

Diff files

(containing only the parts of a file that have changed, so they can be applied to an existing file to update it; used for update distribution and incremental backups)

See also Wikipedia:Data differencing.

Versioning files

(contains multiple versions of files, often just saving the differences to save space)

(often a filesystem-level capability, such as ZFS and Btrfs snapshots and Windows Shadow Copy)

See also Revision control systems / code repositories

Encrypted or cryptographically signed archives

File splitting

(1 file => multiple files. Most file splitting utilities just produce raw file fragments, and don't have a native file format. But some use a container format, and some create a separate "control" file for metadata.)

Also, the two sorts of Horcrux, Horcrux (jesseduffield) and Horcrux (kndyry), are split-and-encrypted files.

Filesystem backup and restoration

Formats designed for backing up disks, usually specifically targeted at particular filesystems (but backing it up in the form of file structures, not raw sector images like Disk Image Formats).

See also Backup.

Fake archiving

Beware of these; they purport to be archivers but aren't really; you might lose any data you entrust to them. Could be somebody's idea of humor or malware.

Institutional archiving

Metadata formats

(see also Metadata, Bibliographic data)

Program/App/Applet/Installer specialized archive formats

Self-extracting archives

(in addition, some of the other archivers are able to produce executable files for some platform which include the archived data and a program to extract them, and generally have the file extension normal for executables, such as .exe for DOS/Windows. In many cases, if you rename the extension to the appropriate one for the archive type involved, e.g., .zip, the file will open in the appropriate archiver, which is handy for extracting them on systems not compatible with the original executable.)

Software

Refer to Compression and archiving software.

Transfer formats

(encapsulate a system-specific file structure to make it compatible with foreign systems, file transfer protocols, etc.)

For low-level transfer encodings, see Transfer Encodings.

Uncategorized

See also

Links

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