File Extension VAN File Format Animation file (VistaPro) VAN stands for Animation file (VistaPro). 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 Is VAN and ISDN the same thing? Remove PowerPoint animation preview Permissions suddenly denied in Excahnge Outlook running Vista OS.