7z
From Just Solve the File Format Problem
(Difference between revisions)
(Added sample files) |
(→Identification: Deleted low-value info about a 7-Zip feature not in the 7z spec.) |
||
Line 19: | Line 19: | ||
== Identification == | == Identification == | ||
− | 7z files begin with signature bytes | + | 7z files begin with signature bytes {{magic|'7' 'z' BC AF 27 1C}}. |
− | + | ||
− | + | ||
== Related formats == | == Related formats == |
Revision as of 14:40, 26 May 2021
7z is a file format for archiving and data compression, developed by Igor Pavlov. It is the native format of the 7-Zip archiving application.
Contents |
Format details
7z supports several compression schemes:
- LZMA (the default for 7-Zip prior to 9.30 alpha)
- LZMA2 (the default for 7-Zip 9.30 alpha +)
- PPMd
- BCJ
- BCJ2
- bzip2
- DEFLATE
Identification
7z files begin with signature bytes '7' 'z' BC AF 27 1C
.
Related formats
Specifications
- Refer to the DOC/7zFormat.txt file in the source distribution