The official tool for .7z files is , which is free and open-source. Visit the Site : Go to the Official 7-Zip Website .
: Hover over the 7-Zip menu option (on Windows 11, you may need to click "Show more options" first). Extract : Xixi.7z
: Run the downloaded .exe file, click Install , and then Close once finished. 2. How to Extract Xixi.7z The official tool for