List of Archive Formats ... http://en.wikipedia.org/wiki/List_of_archive_formats 7 7z - GNU (Igor Pavlov); LZMA(2) Z zip - PKware, PKzip B bz2/bzip2/tbz/tbz2 - GNU; compress 1 file; timestamp NOT preserved. R rar - (Eugene) Roshal ARchive; Win.rar, GmbH A arj - Archived by Robert Jung; overtaken by zip/rar. .z z - Compress; a Unix shell program; LZC/LZW L lha/lzh - Japan C cab - MS Windows I iso/img - ISO 9660, UDF; uncompressed; for read-only media 1 001 - HJ-Split; archive split/recombine tool RP rpm - RPM Package Manager (Redhat orig.) (read-only) D deb - Debian package cp cpio - Unix arch format; used @ Apple/POSIX installer (pax) T tar/taz/tbz/tgz - Unix arch format; uncompressed (tape) archive. G gz/gzip/tgz/tar.gz - GNU; compress 1 file; @ tgz, HTTP/HTML; DEFLATE algo W swm/wim - MS Windows disk image lz lzma - LZMA compression algorithm d dmg - Apple Mac OS X H hfs - Apple Xa xar - MAC OS X 10.5; OpenDarwin; eXtensible ARchive format V vhd - MS Windows F fat - DOS file system format/record N ntfs - MS Windows NT file system format/record X txz/xz - LZMA2 algorithm; 1 file; timestamp NOT preserved. Sq sqsh - Linux SquashFS; LZMA(2)/LZ4; compressed, read-only file system. 7z.dll @ 7-zip v.9.20 ---------------------- 25 ordered icons [0-24] @ 16 & 32 px 7 Z B R A .z L C I 1 RP D cp T G W lz d H Xa V F N X Sq Others ------ ace arc/ark/sue - BBS-era; proprietary and FreeArc [LZMA] versions chm - Microsoft Compiled HTML; compressed binary. jar - Java ARchive msi - MS Windows installer split - created by splitter per 1 of several formats/methods cramFS - inspiration for SquashFS. daa - PowerISO HJ-Split [.001, .002, ...] http://www.hjsplit.org/ .001 is first of split set. Extract using 7-zip. SquashFS [.sqsh] http://en.wikipedia.org/wiki/SquashFS