Archiving

(Lossless, for generic data + file archives)

Compression + archiving

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

• 7ZIP (.7z)
• ARC (.arc)
• Apple Disk Image (.dmg)
• ARJ (.arj)
• IMP (.imp)
• LHAv (.lzh, .lha)
• RAR (.rar)
• ZIP (.zip)

Archiving only

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

• BinHex (.hqx)
• LBR (.lbr)
• ISO-9660 (.iso)
• Tape Archive (.tar)

Compression only

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

• BZIP2 (.bz2)
• Crunch (.?Z?)
• GZIP (.gz)
• Error Code Modeler (.ecm)
• Squeeze/SQ (.?Q?)

Unknown

• 7zX (.s7z)
• ACE (.ace)
• AFA (.afa)
• ALZip (.alz)
• APX (.apx)
• BlakHole (.bh)
• Cabinet (.cab)
• Compact File Set (.cfs)
• Compact Pro (.cpt)
• CPIO (.cpio)
• DGCA (.dgc)
• Disk Archiver (.dar)
• DiskDoubler (.dd)
• DVDisaster Error Correction File (.ecc)
• Freeze/Melt (.F)
• GCA (.gca)
• HA (.ha)
• Huffman Encoding (.z)
• ICE (.ice)
• Inflate (.infl)
• Jar (.j) => this is just a renamed zip file with some mandatory files
• KGB Archiver (.kgb)
• KiriKiri (.xp3)
• LZIP (.lz)
• LZMA (.lzma)
• LZOP (.lzop)
• LZW (.Z)
• LZX (.lzx)
• 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)
• Stuffit (.sit)
• Stuffit X (.sitx)
• UHarc (.uha)
• UltraCompressor II (.uc, .uc0, .uc2, .ucn, .ur2, .ue2)
• Unix Archiver (.ar)
• Windows Image (.wim)
• WinHKI (.hki)
• WinRK (.rk)
• XAR (.xar)
• XZ (.xz)
• YZ1 (.yz1)
• ZOO (.zoo)
• Zzip (.zz)