Use the official 7-Zip desktop application. It offers a powerful command-line version ( 7z.exe ) for advanced users.
Applications like The Unarchiver are popular for extracting 7z archives. 04n.7z
To get the best results when creating or extracting .7z archives: Use the official 7-Zip desktop application
The proprietary LZMA and LZMA2 algorithms often result in significantly smaller file sizes compared to standard ZIP files. 04n.7z
Match the number of threads to your CPU's logical processors to speed up the process.
It is completely free for both personal and commercial use.
You can use apps like Unzip or iZip to open these files on your phone or tablet. Performance Optimization Tips