There are three TurboCAD file formats, TCW, TCT, and TCX, that you can use for saving vector graphics from within TurboCAD.
TCW: (TurboCAD for Windows) - a file format for saving vector graphics from within TurboCAD.

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Note: If you need to save a drawing that is to be opened by an earlier version of TurboCAD, you can use Save As and save to one version back i.e. In TurboCAD 15 You can save as TurboCAD 14.

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TCW, TCT Import Setup

Restore render view: Opens the drawing in render mode. The file must have been saved in render mode.

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