How to extract RAR files without WinRAR on Windows 7
PeaZip is a free archiver, available as portable and installable software for Windows and Linux.
Create 7Z, ARC, BZ2, GZ, PAQ, PEA, QUAD/BALZ, TAR, UPX, ZIP
Extract ACE, ARJ, CAB, DMG, ISO, LHA, RAR, UDF and many more file formats
http://www.peazip.org/
