7-Zip is an open source software. You can use 7-Zip on any computer, including a computer in a commercial organization. You don't need to register or pay for 7-Zip. But you can make a donation to support further development of 7-Zip. The main features of 7-Zip * High compression ratio in new 7z format with LZMA compression * Supported formats: 1) Packing / unpacking: 7z, ZIP, GZIP, BZIP2 and TAR 2) Unpacking only: RAR, CAB, ISO, ARJ, LZH, CHM, Z, CPIO, RPM, DEB and NSIS * For ZIP and GZIP formats, 7-Zip provides a compression ratio that is 2-10 % better than the 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 Tag: