7-Zip 9.17 Beta

7-Zip is a file archiver with a high compression ratio.

The main features of 7-Zip are:

  • High compression ratio in new 7z format with LZMA compression
  • Supported packing / unpacking formats: 7z, ZIP, GZIP, BZIP2 and TAR
  • Supported formats for unpacking only: ARJ, CAB, CHM, CPIO, DEB, DMG, HFS, ISO, LZH, LZMA, MSI, NSIS, RAR, RPM, UDF, WIM, XAR and Z.
  • Compression ratio for ZIP and GZIP formats: 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

Download: 7-Zip 9.17 Beta x86 | x64 | 1.04 MB (Freeware)
Screenshot: >> Click here <<
View: 7-Zip Website

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10 Comments

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I love 7zip, but nothing scares me like the word "beta" and compressing files.
Also... it's been beta 9 for quite some time now.

Call me crazy, but I prefer 7-zip to WinRAR and WinZIP. WinZIP is a bit bloated with adverts, WinRAR is nice, but it's not free, but 7-zip is perfect. It can compress files in either ZIP or 7z formats quickly, and with security options as well. It can also extract almost any compressed file you chuck at it, RAR, iso etc... If you haven't tried it already, well, I recommend you give it a try.

Change them with a program called 7-zip theme manager. This doesnt have an installer, so you need to unzip it then put it something then run it, it'll find 7-zip, then you can change the icons for it

Changelog

9.17 beta 2010-10-04
-------------------------
- Disk fragmentation problem for ZIP archives created by 7-Zip was fixed.

I tried 7-zip once, but it seemed very unprofessional and unpolished so I went back to Winzip 14.5. I mean last time I used 7-zip it didn't even bother to associate .7z files with itself after you installed it... does it still have that behavoir?

TCLN Ryster said,
I tried 7-zip once, but it seemed very unprofessional and unpolished so I went back to Winzip 14.5. I mean last time I used 7-zip it didn't even bother to associate .7z files with itself after you installed it... does it still have that behavoir?

I believe you still have to run the program in administrator mode at least once to manually set file associations, and then you're good.

Assuming you use Vista/7.