File Extension UDM File Format MapView User - Defined Module ( MotCreations ) UDM stands for MapView User - Defined Module ( MotCreations ). 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 Removing the log on screen / network log on Datasource SD vs. the SD module What's a user exit in SAP?