readpee.7z

The file appears to be a compressed archive, likely related to the RetroPie project . The .7z extension indicates it was created using the 7-Zip archiver.

: Use the official 7-Zip application. You can also use WinZip or sometimes the native File Explorer if no password is required.

: Use the command line utility p7zip (e.g., sudo apt-get install p7zip-full followed by 7z x readpee.7z ).

: Use apps such as ZArchiver on Android or iZip on iPhone. Security Warning