Visit the official 7-Zip website to download and install the free, open-source tool.
Note: If you are on Windows 11, you may need to click first to see the 7-Zip menu. On macOS: SS_Taso-013.7z
If the built-in tool fails, download The Unarchiver from the App Store, which handles a wider variety of archive types. How to open a .7z file - Microsoft Q&A Visit the official 7-Zip website to download and