7-Zip (64-bit)

​​​7-Zip(7z decompression software) is a compression software with the highest compression ratio today. It not only supports the unique 7z file format, but also supports various other compressed file formats, including ZIP, RAR, CAB, GZIP, BZIP2 and TAR. The compression ratio of this software is 30-50% higher than that of ordinary ZIP files. Therefore, it can further compress files compressed by WinZip by 2-10%.

The main features of 7-Zip are the 7z format, which uses the LZMA and LZMA2 algorithms and has a very high compression ratio.

Supported formats:

Compression/decompression: 7z, XZ, BZIP2, GZIP, TAR, ZIP and WIM

Decompression only: ARJ, CAB, CHM, CPIO, CramFS, DEB, DMG, FAT, HFS, ISO, LZH, LZMA, MBR, MSI, NSIS, NTFS, RAR, RPM, SquashFS, UDF, VHD, WIM, XAR, Z

For ZIP and GZIP formats, 7-Zip can provide 2-10% higher compression ratio than using PKZip and WinZip

​​Provide a more complete AES-256 encryption algorithm for 7z and ZIP

The 7z format supports the creation of self-releasing compressed packages

​ ​ Windows Explorer Integration

Powerful file manager

A more powerful command line version

Supports FAR Manager plug-in

Supports 79 languages

​ ​ 7-Zip update log:

​ ​​Fix issues in 15.01 and 15.02

​ ​ 1. Wrong Zip archive created after using ZipCrypto encryption

​​ 2. Version 9.20 can raise the Zip file with the above error

​ ​ 7-Zip9.38 Beta version, January 3, 2015:

*Some changes for better source code compatibility with the GCC compiler.

*The bug in 9.26-9.36 has been fixed: CPP7zipArchive7Z only works normally under Windows.

*Fix bugs in tar and NSIS code.

*Small changes to LZMA decoding source code.

* Bug fixes.

​​ 7-Zip 9.36 Beta:

        Bug fixes in command line mode;

A historical bug existing in versions 9.33-9.35 has been corrected;

          Other bugfixes.