File Extension TAF File Format Tonline Db file TAF stands for Tonline Db 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 consult about insert CLOB data into tha table in my database How Oracle9i Form Builder interact with Html waebpage?? What is the difference between a logical file and view in DB2/400?