File Extension MXM File Format MixMeister BPM calculation file MXM stands for MixMeister BPM calculation 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 Customize login page IBM BPM portal How effective are ready to deploy BPM Solutions Frameworks as opposed to ground up customization. Your comments? Which type of BPM vendor do you prefer?