While there is no widely known software or standard feature explicitly named "," the file extension .7z indicates it is a compressed archive created using 7-Zip or similar open-source software.
To see what is inside the file, you need a utility that supports the 7z format: :
: Apps like iZip (iOS/Android) or ZArchiver (Android) can handle these archives on the go. 2. Key "Features" of the 7z Format
While there is no widely known software or standard feature explicitly named "," the file extension .7z indicates it is a compressed archive created using 7-Zip or similar open-source software.
To see what is inside the file, you need a utility that supports the 7z format: :
: Apps like iZip (iOS/Android) or ZArchiver (Android) can handle these archives on the go. 2. Key "Features" of the 7z Format