Introduction - If you have any usage issues, please Google them yourself
The code is mainly 7zip 7zip and LZMA, former platform client, which is the SDK.
7-Zip is a known as a maximum compression ratio of the current compression software, which not only supports the proprietary 7z file format, but also supports a variety of other compressed file formats, including ZIP, RAR, CAB, GZIP, BZIP2 and TAR. This software compressed ZIP file compression ratio higher than the normal 30-50 . Therefore, it can be compressed by WinZip compressed file and then 2-10 .