The main features of 7-Zip
  * High compression ratio in new 7z format with LZMA compression
  * Supported formats:
     o Packing / unpacking: 7z, ZIP, GZIP, BZIP2 and TAR
     o Unpacking only: RAR, CAB, ISO, ARJ, LZH, CHM, Z, CPIO, RPM, DEB and NSIS
  * For ZIP and GZIP formats 7-Zip provides compression ratio that is 2-10 % better than ratio provided by PKZip and WinZip
  * Self-extracting capability for 7z format
  * Integration with Windows Shell
  * Powerful File Manager
  * Powerful command line version
  * Plugin for FAR Manager
  * Localizations for 63 languages