7-Zip 是一款号称有着现今最高压缩比的压缩软件, 它不仅支持独有的 7z 文件格式, 还支持各种其它压缩文件格式, 其中包括 ZIP, RAR, CAB, GZIP, BZIP2 和 TAR 等. 集成Windows 外壳扩展, 强大的文件管理功能.Changes:

* Now it's possible to specify the size of solid block and the number of CPU threads in "Add to archive" dialog box.
* Default dictionary size was increased: Normal: 16 MB, Max: 32 MB.
* Speed optimizations.
* Benchmark was improved (new "b" command in command line version).
* The number of DLL files was reduced.
* Now it's possible to associate 7-zip with combined types like .tbz2
* switch -mhcf=off is not supported now.
* If -t{Type} switch is not specified, 7-Zip now uses extension of archive to detect the type of archive.
* Some bugs were fixed.
* New localization: Welsh.

下载:7-Zip 4.45 Beta