Archiving

(Lossless, for generic data + file archives)

Compression + archiving
(Multiple files => 1 file, makes it smaller)


 * 7ZIP (.7z)
 * ARC (.arc)
 * ARC (Web Archiving) (.arc.gz)
 * Apple Disk Image (.dmg)
 * ARJ (.arj)
 * BRU (RSX-11M backup)
 * DWC (.dwc)
 * IMP (.imp)
 * LHAv (.lzh, .lha)
 * RAR (.rar)
 * Stuffit (.sit)
 * Stuffit X (.sitx)
 * WARC (.warc.gz)
 * ZIP (.zip)
 * ZOO (.zoo)

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


 * BinHex (.hqx)
 * LBR (.lbr)
 * Tape Archive (.tar)
 * LIB (.a, .lib)
 * CPIO (.cpio)

Compression only
(1 file => 1 file, makes it smaller)


 * BZIP2 (.bz2)
 * Crunch (.?Z?)
 * GZIP (.gz)
 * Error Code Modeler (.ecm)
 * LZMA (.lzma)
 * Squeeze/SQ (.?Q?)
 * XZ (.xz)
 * LZIP (.lz)
 * LZOP (.lzop)
 * LZW (.Z)

Unknown

 * 7zX (.s7z)
 * 9CDR (Amiga FileImploder Clone)
 * ACE (.ace)
 * AFA (.afa)
 * ALZip (.alz)
 * APX (.apx)
 * ARCFS (ArcFS ArchivePacker)
 * ArchiveLib (GreenLeaf)
 * BlakHole (.bh)
 * Cabinet (.cab)
 * Compact File Set (.cfs)
 * Compact Pro (.cpt)
 * DGCA (.dgc)
 * Disk Archiver (.dar)
 * DiskDoubler (.dd)
 * DMS (.dms; Amiga Disk Masher compressed file)
 * DUPA (Amiga FileImploder Clone)
 * DVDisaster Error Correction File (.ecc)
 * FIMP (Amiga FileImploder)
 * Freeze/Melt (.F)
 * GCA (.gca)
 * HA (.ha)
 * Huffman Encoding (.z)
 * ICE (.ice)
 * IFHC (Amiga FileImploder Clone)
 * IMP (Amiga FileImploder)
 * Inflate (.infl)
 * Jar (.j, .jar) => this is just a renamed zip file with some mandatory files
 * KGB Archiver (.kgb)
 * KiriKiri (.xp3)
 * LZX (.lzx)
 * LNX (.lnx; Lynx archive, used on Commodore 64)
 * Mozilla Archive (.mar)
 * MS-DOS Compression (.??_)
 * PackIt (.pit)
 * PAK (.pak)
 * PAQ (.paq6, .paq7, .paq8)
 * Parchive File (.par, .par2)
 * PartImage (.partimg)
 * PeaZip (.pea)
 * PerfectCompress (.uca)
 * PIM (.pim)
 * Quadruple D (.qda)
 * RK (.rk)
 * RZIP (.rzip)
 * SCIFER (.ba)
 * Scifer (.sen)
 * Self Dissolving ARChive (.sda)
 * Self-Extracting Archive (.sea)
 * Self-Extracting Archive (.sfx)
 * sfArk (.sfark)
 * Shell Archive (.shar)
 * SQX (.sqx)
 * UHarc (.uha)
 * UltraCompressor II (.uc, .uc0, .uc2, .ucn, .ur2, .ue2)
 * Unix Archiver (.ar)
 * Windows Image (.wim)
 * WinHKI (.hki)
 * WinRK (.rk)
 * XAR (.xar)
 * YZ1 (.yz1)
 * Zzip (.zz)