7 zip portable

news from 7-Zip


(SHA1:7cf6989a52223049fdeabeb402859ef8e2bedf81)

The main features of 7-Zip

• High compression ratio in new 7z format with LZMA compression



• Supported formats:
  
  
  
  • Packing / unpacking: 7z, ZIP, GZIP, BZIP2 and TAR
  
  
  • Unpacking only: ARJ, CAB, CHM, CPIO, DEB, DMG, HFS, ISO, LZH, LZMA, MSI, NSIS, RAR, RPM, UDF, 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 74 languages

7-Zip是一套壓縮率極高的免費壓縮軟體，他不僅是免費，而且還是一個Open Source的軟體，更重要的是他支援多個平台，而且體積小。

而他的解壓縮格式，也也支援了一般常見的格式，如 RAR、ZIP、TAR、ISO等等，可以說是非常值得一試的軟體。

How to use 7zip