7-Zip is a file archiver with a high compression ratio. The program supports 7z, ZIP, CAB, RAR, ARJ, LZH, CHM, GZIP, BZIP2, Z, TAR, CPIO, RPM and DEB formats. Compression ratio in the new 7z format is 30-50% better than ratio in ZIP format. It also compresses to ZIP 2-10% better than PKZip and WinZip. It has an additional powerful command line version and FAR Manager support.
7-Zip now supports PPMd compression in .ZIP archives.
Speed optimizations in PPMd codec
The support for archives in installers was improved.
Some bugs were fixed.
New localization: Kazakh.