7-Zip is open source software. Most of the source code is under the GNU LGPL license. The unRAR code is under a mixed license: GNU LGPL + unRAR restrictions. 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. 7-Zip works in Windows 7 / Vista / XP / 2008 / 2003 / 2000 / NT / ME / 98. There is a port of the command line version to Linux/Unix.
Main features:
• High compression ratio in 7z format with LZMA and LZMA2 compression
• Supported formats:
* Packing / unpacking: 7z, XZ, BZIP2, GZIP, TAR, ZIP and WIM
* Unpacking only: ARJ, CAB, CHM, CPIO, CramFS, DEB, DMG, FAT, HFS, ISO, LZH, LZMA, MBR, MSI, NSIS, NTFS, RAR, RPM, SquashFS, UDF, VHD, WIM, XAR and Z.
• For ZIP and GZIP formats, 7-Zip provides a compression ratio that is 2-10 % better than the ratio provided by PKZip and WinZip
• Strong AES-256 encryption in 7z and ZIP formats
• Self-extracting capability for 7z format
• Integration with Windows Shell
• Powerful File Manager
• Powerful command line version
• Plugin for FAR Manager
• Localizations for 79 languages
What’s new after 7-Zip 15.08 beta:
– 7-Zip now can extract ext3 and ext4 (Linux file system) images.
– Some bugs were fixed.
Homepage – http://www.7-zip.org
Download 7-Zip 15.08 Beta (32-bit)
Download 7-Zip 15.08 Beta (64-bit)
To the rest just in case want to test something different.
So far the best Compressed software I test and it’s my preferred is:
HaloZip ==> http://haozip.2345.com/Eng/download.htm
Come with Language Flavor and Os formats. There is not need to uncompressed the file to Install or see images or re-compress files inside the Compressed files. (Y)
I personally recommend it (Y)