7-Zip Portable 4.65 Rv 2
7-Zip Portable is the popular 7-Zip file archiver packaged as a portable app, so you can work with your compressed files on the go from your USB flash drive, iPod or portable hard drive. It has all the same great features as 7-Zip including support for multiple file formats (7z, ZIP, BZIP, RAR, etc), an easy-to-use file manager and more. Plus, it leaves nothing behind on the PC you use it on. It even supports running from a CD.
Download: 7-Zip Portable 4.65 Rv 2