File Extension WLC File Format Microsoft Live Mesh file WLC stands for Microsoft Live Mesh 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 Bluetooth Mesh is redefining what's possible in connectivity Overheard: Microsoft Live Mesh is JBOF (just a bunch of feeds) Weekly SOA crumbs #15: Have you seen the latest "mesh"up from Microsoft?