2024年11月29日 · For ZIP and GZIP formats, 7-Zip provides a compression ratio that is 2-10 % better than the ratio provided by PKZip and WinZip; Strong AES-256 encryption in 7z and ZIP formats; Self-extracting capability for 7z format; Integration with Windows Shell; Powerful File Manager; Powerful command line version; Plugin for FAR Manager

2024年11月29日 · p7zip is the command line version of 7-Zip for Linux / Unix, made by an independent developer. Some unofficial p7zip packages for Linux and other systems: p7zip for Debian (and Ubuntu)

You can download 7-Zip sources and binaries from Download Page. Major part of 7z code is included to LZMA SDK . Applications that support 7z archives: WinRAR, PowerArchiver, TUGZip, IZArc.

There are also some ZIP archives that were encoded with methods unsupported by 7-Zip, for example, WAVPack (WinZip). Why can't 7-Zip open some RAR archives? 7-Zip 9.20 supports RAR 2/3/4 formats only and doesn't support RAR5 archives. But latest versions of 7-Zip supports RAR5 archives.

In our tests, 7-max gives 10-20% speed improvements on modern file compression programs like 7-Zip. Windows uses small (4 KB) RAM pages by default. If you run any application with 7-max, that application will use large (2 MB) RAM pages.

7-Zip download files. 7-Zip files at www.7-zip.org. 7-Zip files at SourceForge

It's possible that new version of 7-Zip can solve your problems with 7z archives. So download latest version of 7-Zip and try to use that new version. You can try also latest alpha or beta version. If new version also doesn't help, read this manual. Required software: 7-Zip (latest version, that can be stable, alpha or beta version).

LZMA / LZMA2 are default and general compression methods of 7z format in the 7-Zip program. LZMA provides a high compression ratio and fast decompression, so it is very suitable for embedded applications.

If you post a message to forum about some problem with 7-Zip, please provide the following information about your system: 7-Zip version and type (32-bit / 64-bit) Windows version and type (32-bit / 64-bit)

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