File Extension T2W File Format Ntgraph Turbo Pascal file T2W stands for Ntgraph Turbo Pascal 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 turbo pascal problem turbo pascal question 'portw' in freePascal for dos. what file to include to compile?