7-Zip 4.56 Beta

7-Zip 4.56 Beta

Copernic on 24 October 2007 - 10:14 · 8 comments & 9574 views

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7-Zip is a file archiver with the high compression ratio. The program supports 7z, ZIP, CAB, RAR, ARJ, LZH, CHM, GZIP, BZIP2, Z, TAR, CPIO, RPM and DEB formats. Compression ratio in the new 7z format is 30-50% better than ratio in ZIP format.

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: RAR, CAB, ISO, ARJ, LZH, CHM, Z, CPIO, RPM, DEB and NSIS
* For ZIP and GZIP formats 7-Zip provides compression ratio that is 2-10 % better than ratio provided by PKZip and WinZip
* Self-extracting capability for 7z format
* Integration with Windows Shell
* Powerful File Manager
* Powerful command line version
* Plugin for FAR Manager
* Localizations for 63 languages

Changes:

- Some bugs were fixed.

Download: 7-Zip 4.56 Beta freeware

Link: Home Page

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User name: Copernic
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Post a comment · Send to friend Comments · There are 8 additional comments

#1 Tantawi on 24 Oct 2007 - 10:28

Thanks.

#2 Amano on 24 Oct 2007 - 11:14

Great.

#3 ThaCrip on 24 Oct 2007 - 15:43

great program

to bad something like this dont become "the standard" for compression programs

cause in some ways it's better than rar format but in some ways it might be worse... but overall i think it's better mainly cause it's free

#4 - Kaboose - on 24 Oct 2007 - 15:45

im giving this a try after being a devote Winrar user, look good

(2 replies) #5 Vettetech on 24 Oct 2007 - 18:23

I find Winrar faster. They need to redo the GUI in this.

#5.1 ThaCrip on 25 Oct 2007 - 00:01

even though i would like to see .7z beat out .rar as the standard i dont think it's going to happen cause like you said winrar is more mature program and more tuned code etc as far as speed is concerned... although .7z aint slow and generally offers better compression depending on what your compressing over .rar.

i guess the best thing when you look at the overall program vs rar is it's "free"

as far as 7-zip's interface i think it could use some tweaks but i like it's interface when it's actually doing the compression... stays simple and gets straight to the point and shows the details of the compression etc

Last edited by ThaCrip on 25 Oct 2007 - 00:14

#5.2 Lare2 on 25 Oct 2007 - 08:01

Did you check the link on the right about jZip. It's the same engine with a beautiful UI
If the 7zip developer has it on his website it should be good

Check it out: http://www.jzip.com/

#6 bangbang023 on 24 Oct 2007 - 20:44

I wish it would work with UAC instead of just spitting out an access denied error.

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7-Zip 4.56 Beta

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