| name | mediatype | type | date released | Extension | Latest version | Magic number | Open format | Standard | Website | file |
|---|---|---|---|---|---|---|---|---|---|---|
| Tar (computing) | Application | Compressed | 01/1979 | .tar | u s t a r \0 0 0 at byte 257 ("ustar" followed by a null byte followed by two digits ''0'', 8 bytes in total) | Yes | POSIX since POSIX.1, presently in the definition of pax | Website | ||
| Theora | Video | Compressed | 01/06/2004 | .ogv, .ogg | Specification | Website | ||||
| VP9 | Compressed | 13/12/2012 | VP8 [VP8] | Yes | (Bitstream Specification ) | Website | ||||
| Zip (file format) | Application | Compressed | 1989 | .zip$#$.zipx(newer compression algorithms) | 6.3.4 | none, though PK\003\004 , PK\005\006 (empty archive), or PK\007\008 (spanned archive) are common. | Yes | APPNOTE from PKWARE/ISO/IEC 21320-1:2015 (a subset of ZIP file format 6.3.3) | Website | |
| Zoo (file format) | Compressed | 28/10/2013 | .zoo | Website |