MASSEFFECTPROFILE file format is used by Mass Effect video game. The video game is a type of RPG and FPS which requires a creation of alias for game progression.

The data related to the profile is stored in a single file with extension of MASSEFFECTPROFILE. The data saved in this file format is the name of the profile, total time played, difficulty level, number of achievements unlocked, character profile, character resources and other data to load the character progress when the user runs the game. The data in the file cannot be altered by the users and can only be changed when the user is creating the file.