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7-Zip is a FREE file compression software with a high compression ratio. This is an open source file compression software, and can be used on any computer, including computer in commercial organization.
This free software normally offers a better compression ratio than Winzip. It also provides host of options, such as, creating self extracting archives, password protect, and change compression ratio. You can download 7-zip using link available at end of article.
The main features of 7-Zip are:
- High compression ratio in new 7z format with LZMA compression
- Powerful File Manager
- Supported formats:
- Packing / unpacking: 7z, ZIP, GZIP, BZIP2 and TAR
- Unpacking only: ARJ, CAB, CHM, CPIO, DEB, DMG, HFS, ISO, LZH, LZMA, MSI, NSIS, RAR, RPM, UDF, WIM, XAR and Z.
- Localizations for 74 languages
- Self-extracting capability for 7z format
- 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
- Integration with Windows Shell
- Powerful command line version
- Plugin for FAR Manager
All these features make 7-zip one of the best free file compression and file archiver. We like it better than Winzip, especially because of the fact that it is totally free.