Portable7zip is a file archiver that supports the new “7z” format with very high compression ratio using LZMA compression. In addition, it supports the creation/extraction of 7z, ZIP, GZIP, BZIP2 and TAR files, as well as the extraction of RAR, CAB, ISO, ARJ, LZH, CHM, Z, CPIO, RPM, DEB and NSIS files.
Release Highlights:
* 7-Zip has been updated to 4.57
* Now packaged in an easy to use PortableApps.com Installer
* Updated launcher with improved registry handling
* Updated to the latest PortableApps.com Format
* Digitally signed to ensure integrity
Homepage – PortableApp
Size: 1.2 MB
Run it on your memory stick. Your key drive. Your iPod. 
hamid qorbani Said:
on March 19, 2008 at 3:21 pm
gooooooooood!
tanx