File Extension VFP File Format Qtreader file VFP stands for Qtreader 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 Importing Public Folders Contacts to Visual Foxpro 9 Shadow copy error to clone C and F drive What controls if an application starts with window on top in Windows XP.