7-Zip 9.1 beta

Add files to or extract them from archives
4.2  (6,416 votes)
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The main feature of 7-Zip is high compression ratio in new 7z format with LZMA compression.
Supported formats are o Packing / unpacking: 7z, ZIP, GZIP, BZIP2 and TAR; o Unpacking only: ARJ, CAB, CHM, CPIO, DEB, DMG, HFS, ISO, LZH, LZMA, MSI, NSIS, RAR, RPM, UDF, WIM, XAR and Z.
For ZIP and GZIP formats, 7-Zip provides a compression ratio that is 2-10 % better than the ratio provided by PKZip and WinZip; strong AES-256 encryption in 7z and ZIP formats; self-extracting capability for 7z format; integration with Windows Shell.
It also includes powerful File Manager; powerful command line version; plugin for FAR Manager; localizations for 74 languages.

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