7Zip 下载 | 压缩解压工具 7-Zip 19.0 美化版

7-Zip 是一款拥有极高压缩比的开源压缩软件。相比其他软件有更高的压缩比但同时耗费的资源也相对更多，如果你需要一款能够提供强大压缩性能的软件，那么它是你最好的选择。美化版由OSSSR发布。

官方网站：7-zip.org

功能摘要

开源免费，轻巧便携，无需安装，与同类收费软件功能相当！
提供更完善的 AES-256 加密算法;可以利用7-zip内置命令创建体积小巧的自动释放安装包！
与Windows 资源管理器集成；强大的的文件管理器；更给力的命令行版；支持 FAR Manager 插件！
使用了 LZMA 与 LZMA2 算法的 7z 格式拥有极高的压缩比！

支持格式

压缩 / 解压缩：7z, XZ, BZIP2, GZIP, TAR, ZIP and WIM
仅解压缩：ARJ, CAB, CHM, CPIO, CramFS, DEB, DMG, FAT, HFS, ISO, LZH, LZMA, MBR, MSI, NSIS, NTFS, RAR, RPM, SquashFS, UDF, VHD, WIM, XAR, Z

更新日志

19.00 2019-02-21
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– Encryption strength for 7z archives was increased:
the size of random initialization vector was increased from 64-bit to 128-bit,
and the pseudo-random number generator was improved.
– Some bugs were fixed.

18.06 2018-12-30
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– The speed for LZMA/LZMA2 compressing was increased by 3-10%,
and there are minor changes in compression ratio.
– Some bugs were fixed.
– The bug in 7-Zip 18.02-18.05 was fixed: there was memory leak in xz decoder.
– 7-Zip 18.02-18.05 used only one CPU thread for bz2 archive creation.

18.05 2018-04-30
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– The speed for LZMA/LZMA2 compressing was increased
by 8% for fastest/fast compression levels and
by 3% for normal/maximum compression levels.
– 7-Zip now shows Properties (Info) window and CRC/SHA results window
as “list view” window instead of “message box” window.
– Some improvements in zip, hfs and dmg code.
– Previous versions of 7-Zip could work incorrectly in “Large memory pages” mode in
Windows 10 because of some BUG with “Large Pages” in Windows 10.
Now 7-Zip doesn’t use “Large Pages” on Windows 10 up to revision 1709 (16299).
– The vulnerability in RAR unpacking code was fixed (CVE-2018-10115).
– Some bugs were fixed.