XML file used to transport fitness data between Garmin products; supported by various Garmin GPS devices; may include data such as type of sport, lap time, distance, calories, intensity, and other information. TCX files can be opened with Garmin Training Center software. They are also supported by MotionBased.com and the Garmin Communicator Plugin. The TCX format is available in both TCX v1 and TCX v2 schemas.
TurboCAD drawing saved in a text format; may contain either 2D or 3D model data; similar to to a standard TurboCAD drawing (.TCW) file, but saved in a text format that can be viewed in a text editor. TurboCAD's TCX format is similar to the AutoCAD .DXF file format.