File Extension DVR File Format Device driver file DVR stands for Device driver file. 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 USB Storage Device Problems What is the difference between DVR EVI and DVR TRIBRID? A networking device to add an IP device?