TCT

TCT (TurboCAD template) is the format for templates in the TurboCAD program, which you can save to give yourself a starting point for creating drawings (TCW files) with the desired styles in it.

File Information
TurboCAD 'TCT files are based on the "OLE2" document container format.

Links

 * TurboCAD official site
 * How to save a template