File Extension MTV2 File Format Apple Video Player Prefs MTV2 stands for Apple Video Player Prefs. This was last updated in March 2012 By Margaret Rouse Browse File Extensions Alphabetically: A B C D E F G H I J K L M N O P Q R S T U V W X Y Z # Ask a Question. Find an Answer. Ask your peers a question about this file extension. Ask a Question Apple to Slash iTunes TV Prices? Apple to Start Streaming from iTunes? Apple iPad review: Steve Jobs is a Flashist!