Use software like The Unarchiver or similar third-party tools, as macOS does not natively support .7z extraction.
Use the command line with 7-zip packages (e.g., p7zip-full ). To extract, use 7z x archive.7z . How to Create .7z Files (7-Zip) Right-click the file or folder you want to compress.
Install the free 7-Zip software . Right-click the .7z file, select "7-Zip," then choose "Extract Files..." or "Extract Here".
Download Unzip One from the app store, open it, and select "Extract".
A .7z file is a compressed archive format created by 7-Zip , designed for high compression ratios, open architecture, and strong AES-256 encryption. 7z files on different operating systems: How to Open/Extract .7z Files