7z Extractor is a lightweight and free unzip software for 7z archives, it can help you to quickly open and extract 7z files. Software is very simple and easy to use, you just need select a 7z file and hit the button "Extract", that is all, you can use it as a handy 7z file opener.
Software can support password-protected 7z archives. For password-protected archives, you should check the "Password" option, and provide a password, otherwise, software cannot open that file and will display a error message "Failed to open file", moreover, if password is not valid, you will get the same message.
In addition, this decompression software can support multi-volume 7z archives. A multi-volume archive can be split into multiple separate files, for example: *.7z.001, *.7z.002, and etc., you just need select the first file (such as *.7z.001), software will automatically search and extract the remaining files.
7z compressed files may use different compression methods, this software can support four main compression methods: LZMA, LZMA2, PPMd and BZip2.
Software supports almost mainstream Windows operating system, require .Net Framework 4.0 or higher.
The 7z format is a very efficient compression format, this compression algorithm provides a very high compression ratio, therefore, as compared with other compression formats, the resulting compressed archives will be more smaller.