7z, version 0.2 (with compression methods version 4.16 beta, distributed with 7zip v4.20)

Unknown

other

compression file format

Identify it

Extensions	`.7z`
Wikidata	`Q27478555`

Not sure your file is this? Identify it from its first bytes, in your browser.

Listed for the family; check that the software handles this version.

7-Zip (WebAssembly)Open sourcereads and writes · LGPL-2.1-or-later (unRAR restriction)
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

Convert a file in your browser The steps marked “in browser” run on your machine; nothing is uploaded.

To	With	Fidelity	Command and losses
Tape Archive	7-Zip (WebAssembly)	Lossless	in browser Files are kept; archive comments, permissions or encryption may not be.
ZIP	7-Zip (WebAssembly)	Lossless	in browser Files are kept; archive comments, permissions or encryption may not be.

From Wikidata. Updated 2026-10-20.