At http://www.7-zip.org/download.html, there is a free alternative other compression utilities. It handles a wide variety of formats including RAR!Here is the description from its home page:License
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. Check
license information here: 7-Zip license.
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.
The main features of 7-Zip
High compression ratio in 7z format with LZMA and LZMA2 compressionSupported formats:
Packing / unpacking: 7z, XZ, BZIP2, GZIP, TAR, ZIP and WIMUnpacking 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 WinZipStrong AES-256 encryption in 7z and ZIP formatsSelf-extracting capability for 7z formatIntegration with Windows ShellPowerful File ManagerPowerful command line versionPlugin for FAR ManagerLocalizations for 79 languages
