Comparison of archive formats

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The following tables compare the various archive formats used for computer backups or transferring files.

Format Filename extension Created by Introduced in Based on Purpose Integrity check Recovery record Encryption supported
Archiving only
Archive (ar) .ar ? ? Original Archive No No No
cpio .cpio ? Unix System V (1983) ? Archive ? ? ?
Shell Archive (shar) .shar ? 4.4BSD (1994) Original Archive ? ? ?
Tape Archive (tar) .tar ? Version 6 Unix (1975) ? Archive Partial, metadata only ? No
Archiving and Compression
7z .7z Igor Pavlov 2000 ? Compressed archive Yes No Yes, AES
ARC .arc ? 1985 ? Compressed archive ? ? ?
ARJ .arj Robert Jung 1991 AR001 and AR002 Compressed archive Yes Yes Yes
Cabinet .cab Microsoft Corp. Windows 3.1 (1992) ? Compressed archive ? ? ?
Compact Pro .cpt Bill Goodman May 5, 1990 (as "Compactor") Original Compressed archive Yes No Yes
Disk Archive (DAR) .dar Denis Corbin 2002 tar Compressed archive Yes No Yes
DGCA .dgc Shin-ichi Tsuruta 2001 GCA Compressed archive ? ? ?
LHA (also LZH) .lzh, .lha Haruyasu Yoshizaki 1988 ? Compressed archive ? ? ?
LZX .lzx Jonathan Forbes and Tomi Poutanen 1995 LZ77 Compressed archive ? ? ?
Macintosh Disk Image .dmg Apple Computer Macintosh System 7 (1991) Original Compressed archive Yes ? Yes
Partition Image (Partimage)  ? François Dupoux and Franck Ladurelle 2000 ? Compressed archive
PAQ (Several formats)  ? Matt Mahoney 2002–2006 Original Compressed archive ? ? ?
Quadruple D  ? ? ? ? Compressed archive ? ? ?
RAR .rar Eugene Roshal 1993 Original Compressed archive Yes Yes Yes, AES
RK .rk M Software, Ltd. ? ? Compressed archive ? ? ?
StuffIt (also SIT) .sit Raymond Lau 1987 ? Compressed archive ? ? ?
ZIP (also PKZIP) .zip Phil Katz 1989 DEFLATE Compressed archive Yes ? ?
Software Packaging and Distribution
Debian package (deb) .deb Debian GNU/Linux ? ar, tar, and gzip Software package Yes No No
Macintosh Installer  ? NeXT NeXTSTEP 1.0 (1989) ? Software package ? ? ?
RPM Package Manager (RPM) .rpm Red Hat Linux ? cpio and gzip Software package Yes ? ?
Slackware Package .tgz Patrick Volkerding Slackware 1.0 (1993) tar and gzip Software package Yes No No
Windows Installer (also MSI) .msi Microsoft Corp. Windows 2000 (2000) ? Software package ? ? ?
Java Archive (JAR) .jar Sun Microsystems ? PKZIP Software package Yes ? ?


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