TCW file stores vector graphics data and is used by TurboCAD Windows version. The file stores 2D and 3D data. TCW file can hold a single 2D image or complete 3D scene.

TurboCAD debuted on PC in 1986. In 2007 version 14 was released with added 3D support. Windows TCW files (TurboCAD for Windows) can be easily exported into other CAD project files, even those available on MacOS.