7z
From Just Solve the File Format Problem
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|extensions={{ext|7z}} | |extensions={{ext|7z}} | ||
|mimetypes={{mimetype|application/x-7z-compressed}} | |mimetypes={{mimetype|application/x-7z-compressed}} | ||
| + | |locfdd={{LoCFDD|fdd000539}} | ||
|pronom={{PRONOM|fmt/484}} | |pronom={{PRONOM|fmt/484}} | ||
| − | |wikidata={{wikidata| | + | |wikidata={{wikidata|Q270131}} |
}} | }} | ||
| − | '''7z''' is a file format for archiving and data | + | '''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. |
== Format details == | == Format details == | ||
| − | 7z | + | The 7z format defines many compression methods. The ones normally used are [[LZMA2]] (default for 7-Zip 9.30 alpha +), [[LZMA]] (default for 7-Zip prior to 9.30 alpha), [[PPMd]], and [[bzip2]]. |
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== Identification == | == Identification == | ||
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== Specifications == | == Specifications == | ||
| − | * Refer to the DOC/7zFormat.txt | + | * Refer to the DOC/7zFormat.txt and DOC/Methods.txt files in the source distribution. ([https://github.com/kornelski/7z/tree/main/DOC mirror on GitHub]) |
| − | + | * [https://py7zr.readthedocs.io/en/latest/archive_format.html .7z file format specification on the py7zr documentation] | |
== Software == | == Software == | ||
* [[7-Zip]] | * [[7-Zip]] | ||
| − | * [ | + | * [https://7zx.en.softonic.com/mac 7zX for Mac] |
* [http://p7zip.sourceforge.net/ p7zip] | * [http://p7zip.sourceforge.net/ p7zip] | ||
| + | * [https://github.com/conor42/Radyx Radyx] - creates 7-zip archives using only the LZMA2 compression algorithm provided by the Fast LZMA2 Library | ||
== Sample files == | == Sample files == | ||
| − | * | + | * {{DexvertSamples|archive/sevenZip}} |
== Links == | == Links == | ||
| − | * [ | + | * [https://www.7-zip.org/7z.html 7-Zip page about 7z Format] |
* [[Wikipedia:7z|Wikipedia article]] | * [[Wikipedia:7z|Wikipedia article]] | ||
Latest revision as of 13:40, 8 August 2025
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 |
[edit] Format details
The 7z format defines many compression methods. The ones normally used are LZMA2 (default for 7-Zip 9.30 alpha +), LZMA (default for 7-Zip prior to 9.30 alpha), PPMd, and bzip2.
[edit] Identification
7z files begin with signature bytes '7' 'z' BC AF 27 1C.
[edit] Related formats
[edit] Specifications
- Refer to the DOC/7zFormat.txt and DOC/Methods.txt files in the source distribution. (mirror on GitHub)
- .7z file format specification on the py7zr documentation
[edit] Software
- 7-Zip
- 7zX for Mac
- p7zip
- Radyx - creates 7-zip archives using only the LZMA2 compression algorithm provided by the Fast LZMA2 Library
