7-Zip is a file archiver with a high compression ratio.

The main features of 7-Zip are:
* High compression ratio in new 7z format with LZMA compression
* Supported packing / unpacking formats: 7z, ZIP, GZIP, BZIP2 and TAR
* Supported formats for unpacking only: ARJ, CAB, CHM, CPIO, DEB, DMG, HFS, ISO, LZH, LZMA, MSI, NSIS, RAR, RPM, UDF, WIM, XAR and Z.
* Compression ratio for ZIP and GZIP formats: 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
* Powerful File Manager
* Powerful command line version
* Plugin for FAR Manager
* Localizations for 74 languages

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