Support for large number of compression formats.High compression ratio in 7Z file format with LZMA and LZMA2 compression.However it is available in unofficial releases for most other OS platforms (Linux, Mac OS X, Solaris, DOS, Amiga, etc.). Its localized to 79 languages and primary aimed for Windows platform. It is able to decompress a vast number of archiving format. 7-Zip is an open source file archiver with a high compression ratio.
