Also known as .7z, 7zip, 7-zip archive, 7z format, 7z archive
7z is a compressed archive file format that supports several different data compression, encryption and pre-processing algorithms. The 7z format initially appeared as implemented by the 7-Zip archiver. The 7-Zip program is publicly available under the terms of the GNU Lesser General Public License. The LZMA SDK 4.62 was placed in the public domain in December 2008. The latest stable version of 7-Zip and LZMA SDK is version 26.00.
Key facts
- File format.name
- 7z file format
- File format.icon
- 7zip archive icon.svg
- File format.extension
- .7z
- File format.mime
- application/x-7z-compressed
- File format.uniform type
- org.7-zip.7-zip-archive
- File format.owner
- Igor Pavlov
- File format.genre
- Data compression
- File format.magic
- '7', 'z', 0xBC, 0xAF, 0x27, 0x1C
- File format.max_size
- 264 bytes (roughly 18 exabytes)
- File format.open
- Yes: GNU Lesser General Public License / Public domain
via Wikipedia infobox
~7 min read
Encyclopedic overview
9 sectionsContents
- Features and enhancements
- Compression methods
- Pre-processing filters
- Encryption
- Limitations
- See also
- References
- Further reading
- External links
7z is a compressed archive file format that supports several different data compression, encryption and pre-processing algorithms. The 7z format initially appeared as implemented by the 7-Zip archiver. The 7-Zip program is publicly available under the terms of the GNU Lesser General Public License. The LZMA SDK 4.62 was placed in the public domain in December 2008. The latest stable version of 7-Zip and LZMA SDK is version 26.00.
The 7z file format specification is distributed with 7-Zip's source code since 2015. The specification can be found in plain text format in the "doc" sub-directory of the source code distribution.
Excerpted from Wikipedia’s “7z” article, available under the CC BY-SA 4.0 licence.