File Extension WUT File Format WUTG Editor Tag ( WUSSoft ) WUT stands for WUTG Editor Tag ( WUSSoft ). 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 MongoDB: Checking to see if an array field contains an unique value SharePoint AD and Contact List How To Let Only Certain Columns Be Viewed By Coresponding People?