著名的免费开源压缩/解压缩工具:7-Zip是一款开源免费的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,而且还支持各种其它压缩文件格式,其中包括ZIP, RAR, CAB, GZIP, BZIP2和TAR等等。此软件压缩的压缩比要比普通ZIP文件高30-50%,因此,它可以把Zip格式的文件再压缩2-10%。


更新历史

http://www.7-zip.org/history.txt  

20.00 alpha    2020-02-06

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- 7-Zip now supports new optional match finders for LZMA/LZMA2 compression: bt5 and hc5, 

  that can work faster than bt4 and hc4 match finders for the data with big redundancy.

- The compression ratio was improved for Fast and Fastest compression levels with the 

  following default settings:

   - Fastest level (-mx1) : hc5 match finder with 256 KB dictionary.

   - Fast    level (-mx3) : hc5 match finder with 4 MB dictionary.

- Minor speed optimizations in multithreaded LZMA/LZMA2 compression for Normal/Maximum/Ultra 

  compression levels.

- bzip2 decoding code was updated to support bzip2 archives, created by lbzip2 program.

- Some bugs were fixed.

- New localization: Turkmen.

食用方法

7zTMPortable.exe为美化包程序,打开后选定便携版或者安装版目录对应的7z目录(X86&X64)然后选定你需要的梅花样式即可,默认已经美化处理,美化包包含几十款优质主题,总有适合你的

高速下载地址

超多美化主题等你体验,含有官方安装版

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