File Extension TCX File Format TurboCAD drawing as text file TCX stands for TurboCAD drawing as text 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 Desktone and Wyse to enable Flash in DaaS environments Autocad-PDF Can AutoCAD edit .cal drawings?