7z
From Just Solve the File Format Problem
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(→Identification: Deleted low-value info about a 7-Zip feature not in the 7z spec.) |
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== Sample files == | == Sample files == | ||
− | * https://telparia.com/fileFormatSamples/archive/ | + | * https://telparia.com/fileFormatSamples/archive/sevenZip/ |
== Links == | == Links == | ||
* [http://www.7-zip.org/7z.html 7-Zip page about 7z Format] | * [http://www.7-zip.org/7z.html 7-Zip page about 7z Format] | ||
* [[Wikipedia:7z|Wikipedia article]] | * [[Wikipedia:7z|Wikipedia article]] |
Revision as of 14:26, 24 November 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