7-Zip is a free and increasingly popular compression program with the highest degree of compression of the generated files (in its own 7z format).Supports also formats: ZIP, CAB, RAR, ARJ, GZIP, BZIP2, TAR, CPIO, RPM and DEB. According to the authors of the program also allows for 2 to 10% better compression for ZIP and GZIP formats than PKZip and WinZip programs.Additional features include: the ability to create self-extracting archives (SFX) for 7z format, the integration of the context menu of Windows Explorer, its own file manager, the ability to encrypt for 7z format (AES-256) and the service from the command line.
How to download and use 7-zip | Full Version for Free
Link to download: http://goo.gl/1QwoL
