Unlike standard .zip files, most operating systems do not open .7z archives natively; you will need to install a third-party utility.

: Use The Unarchiver or Keka , which are common alternatives for Mac users.

: The most popular and official tool is 7-Zip , which is free and open-source. Alternatively, you can use WinZip or WinRAR.

: If you don't want to install software, tools like B1 Online Archiver allow you to upload and extract the file in your browser. 7Z file extension - PeaZip