Knowing this will help me tell you exactly which player or converter to use.
VLC Media Player is the best tool, as it includes built-in codecs for almost all MKV files on Windows, macOS, Android, and iOS [1]. AgADgwADyby5Vw.mkv
You can right-click the file and rename it to something descriptive like my_video.mkv without damaging it. Conversion (Using VLC): Go to Media > Convert / Save . Add the AgADgwADyby5Vw.mkv file. Knowing this will help me tell you exactly