7z

archive

An archive format associated with the 7-Zip application. Its default compression method is LZMA, but it supports other compression methods as well.

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• libarchiveOpen sourcereads and writes · 2-clause BSD License
• ouchOpen sourcereads and writes · MIT License
• Q1275912Open sourcereads and writes · GNU Lesser General Public License, version 3.0 or later
• Q215051Open sourcereads and writes · GNU Lesser General Public License
• Apache TikaOpen sourcereads · Apache Software License 2.0
• HachoirOpen sourcereads · GNU General Public License, version 2.0
• PhotoRecOpen sourcereads · GNU General Public License
• ZipegOpen sourcereads · BSD licenses
• Altap Salamanderreads
• ALZipreads · freeware
• B1 Free Archiverreads · proprietary license
• Daemon Toolsreads · shareware
• PowerArchiverreads
• WinRARreads · proprietary license
• WinZipreads · shareware

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Versions and variants (17)

• 7z, version 0.2 (with compression methods version 3.08 beta)Unknown
• 7z, version 0.2 (with compression methods version 4.16 beta, distributed with 7zip v4.20)Unknown
• 7z, version 0.2 (with compression methods version 4.16 beta, distributed with 7zip v4.26)Unknown
• 7z, version 0.2 (with compression methods version 4.27, distributed with 7zip v4.27)Unknown
• 7z, version 0.2 (with compression methods version 4.27, distributed with 7zip v4.28)Unknown
• 7z, version 0.2 (with compression methods version 4.38)Unknown
• 7z, version 0.2 (with compression methods version 4.43)Unknown
• 7z, version 0.2 (with compression methods version 4.45)Unknown
• 7z, version 0.2 (with compression methods version 4.56)Unknown
• 7z, version 0.2 (with compression methods version 4.61)Unknown
• 7z, version 0.2 (with compression methods version 4.65)Unknown
• 7z, version 0.2 (with compression methods version 9.04)Unknown
• 7z, version 0.2 (with compression methods version 9.18)Unknown
• 7z, version 0.2 (with compression methods version 9.24)Unknown
• 7z, version 0.2 (with compression methods version 15.00)Unknown
• 7z, version 0.2 (with compression methods version 15.06)Unknown
• 7z, version 0.2 (with compression methods version 16.03)Unknown

Sources

• File Formats Wiki
• PRONOM fmt/484
• Wikidata Q270131

From Just Solve the File Format Problem (File Formats Wiki), PRONOM, Wikidata. Updated 2026-10-24.

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