7-Zip 9.20.07 Alpha / 9.20 Final

云瑞

7-Zip是一个开放源码的数据压缩程序，主要用在Microsoft Windows操作系统，Unix-like的操作系统如Linux与FreeBSD下面有7-zip的移植版本p7zip可以使用。它提供命令行接口的 程序或图形用户界面的程序，而且可以与资源管理器结合。7-Zip是自由软件，由Igor Pavlov于2000年开始发展，并把主体在GNU LGPL下发布，加密部份使用AES的代码，使用BSD license发布，解压RAR部分使用RAR特定的许可协议.

下载:7-Zip 9.20 Final (1.06 MB)
下载:7-Zip 9.20 Final x64 (1.31 MB)

下载:7-Zip 9.20.07 Alpha x86 (1.08 MB)
下载:7-Zip 9.20.07 Alpha x64 (1.37 MB)

7-Zip 9.20 Final:
- Some bugs were fixed.

7-Zip 9.20.07 Alpha:
What's new:
- 7-Zip now can unpack UEFI BIOS files.
- 64-bit version of 7-Zip now includes additional 32-bit shell extension DLL.
So other 32-bit programs can call 64-bit 7-Zip via context menu.
- Now it's possible to associate 7-Zip with file types without Administrator rights.
- New -mf=FilterID switch to specify compression filter. Examples:
7z a -mf=bcj2 a.7z a.tar
7z a -mf=delta:4 a.7z a.wav
7z a -mf=bcj a.tar.xz a.tar
- There are some changes in LZMA settings for BCJ2 filter.
So compression ratio now is slightly improved for executable files in -mx9 mode for .7z format.
- Some bugs were fixed.
- New localizations: Corsican, Kyrgyz, Ligurian.

What's new in latest alpha update:
- 7-Zip now supports extended timestamp range in TAR archives (dates before 1970).
- There are some changes in code that creates temp files and temp folders.