7-Zip Compression

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

The main features of 7-Zip are:
Supported packing / unpacking formats: 7z, ZIP, GZIP, BZIP2 and TAR
    High compression ratio in new 7z format with LZMA compression
    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

32 and 64 bit versions are available.

7-Zip 9.22 Beta (32-bit)             click to download

7-Zip 9.21.02 Beta (32-bit)        click to download

7-Zip 9.21 Beta (32-bit)            click to download

7-Zip 9.22 Beta (64-bit)           click to download

7-Zip 9.21 Beta (64-bit)          click to download

7-Zip 9.20 (64-bit)                   click to download