: Use a universal media player like VLC Media Player . Opening the file and checking the title sequence or the credits is the most direct way to identify it.
: Software like Plex or Emby can sometimes automatically identify misnamed movies by scanning their content against online databases. Cleaning Up Your Library ExtraMovies.fit_MRTST15DAHE72BRESD.mkv
This filename appears to be from a movie-sharing site called , which is known for hosting third-party content and downloads. : Use a universal media player like VLC Media Player
For a professional-looking blog post or personal media library, it is standard practice to rename files to a clear format like . ExtraMovies.fit_MRTST15DAHE72BRESD.mkv