The .7z format is a free, open-source archive format that offers several advantages over standard ZIP files:
Since .7z is a proprietary-style format, most operating systems cannot open it natively. You will need a third-party utility: BESTASARAH.7z
Use the official 7-Zip software (Windows) or alternatives like The Unarchiver (macOS) and PeaZip (Cross-platform). The .7z format is a free