Files with the CDT extension signify a template file created in Corel Draw software application. CDT files contain templates that act as a starting point from which to begin a new design project. Changes may be made to the template and saved with the CDT extension. CDT files may be opened and edited with compatible software.
Diagram template created by ConceptDraw PRO, a technical diagramming application; stores preset shapes, lines, text, and symbols which can be used for creating new .CDD diagrams; may be designed by the user or included with the software installation.
Audio disc metadata file created by disc ripping, authoring, and burning applications; contains CD-Text data, which may describe the album name and song information; often saved with a .CUE and .BIN file that together comprise the data for an audio disc image. CD-Text is part of the Red Book CD standard, which was developed by Sony and Philips.