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  

19.02 alpha    2019-09-05

-------------------------

- 7-Zip now can unpack files encoded with Base64 encoding (b64 filename extension).

- 7-Zip now can use new x86/x64 hardware instructions for SHA-1 and SHA-256, supported

  by AMD Ryzen and latest Intel CPUs: Ice Lake and Goldmont.

  It increases

    - the speed of SHA-1/SHA-256 hash value calculation, 

    - the speed of encryption/decryption in zip AES, 

    - the speed of key derivation for encryption/decryption in 7z/zip/rar archives.

- The speed of zip AES encryption and 7z/zip/rar AES decryption was increased with 

  the following improvements:

   - 7-Zip now can use new x86/x64 VAES (AVX Vector AES) instructions, supported by 

     Intel Ice Lake CPU. 

   - The existing code of x86/x64 AES-NI was improved also.

- There is 2% speed optimization in 7-Zip benchmark's decompression.

- Some bugs were fixed.

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

下载地址

超多美化主题等你体验,含有官方安装版

大小 : 21.8 MB |  下载量 : 317 次 |  文件类型 : 压缩文件