File Extension NFG File Format NewsBin config file NFG stands for NewsBin config 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 Routers How to SQL update several records in a query How to Install Exchange 2000 server?