7-Zip is an open source file archiver with the high compression ratio predominantly for the Microsoft Windows operating system. It operates either as a command line program or with a graphical user interface. It also features integration with the Windows shell environment. 7-Zip is free software, developed by Igor Pavlov and distributed under the GNU LGPL license.



The main features of 7-Zip:
• High compression ratio in new 7z format with LZMA compression
• Supported formats:
- Packing / unpacking: 7z, ZIP, GZIP, BZIP2 and TAR
- Unpacking only: RAR, CAB, ISO, ARJ, LZH, CHM, MSI, WIM, Z, CPIO, RPM, DEB and NSIS
• 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
• Powerful File Manager
• Powerful command line version
• Plugin for FAR Manager
• Localizations for 69 languages

Changes in 7-Zip 9.20 (2010-11-18): for Windows:
- 7-Zip File Manager now can calculate SHA-256 checksum.
- Some bugs were fixed.


SO: Windows All

Size: 1.1MB

Licenza: Open source LGPL

	http://www.7-zip.org/

	http://downloads.sourceforge.net/sevenzip/7z920.exe

	http://downloads.sourceforge.net/sevenzip/7z920-x64.msi