List of archive formats

Archiving only formats
– Unix Archiver (.a, .ar)
– cpio (.cpio)
– Shell archive (.shar)
– CP/M (.LBR)
– ISO-9660 image (.iso)

Compression only formats
– Brotli (.br)
– bzip2 (.bz2)
– QNX4, Unix-like and DOS (.F, .?XF)
– genozip (.genozip)
– gzip (.gz)

Archiving and compression formats
– 7z (Multiple file extensions)
– 7zX (.s7z)
– ACE (.ace)
– AFA (.afa)

Popular Archive Formats
– ZIP
– FreeArc
– ARJ
– B1
– RAR

Platform-specific Archive Formats
– Compact Pro
– Apple Disk Image
– LZX
– PackIt
– NuFX

Note: The remaining formats can be categorized as Open Source Archive Formats, Legacy Archive Formats, Miscellaneous Archive Formats, Compression Formats, Tarball Formats, Alternative Compression Formats, Compressed Archive Formats, and Unique Archive Formats.