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.

A CDT file is an image template created by CorelDRAW, an image editing and page layout program. It contains properties for a new image, including graphic and object fill settings and page, ruler, grid, guideline, and style properties. CDT files are used to create documents such as letters, post cards, images, icons, web pages, web banners, and brochures.

CDT file open in CorelDRAW 2019 CDT files are used to store default settings for creating multiple .CDR documents or images. You can create a template from a CDR file when you save it as a template by selecting File → Save as Template.... You can also edit one of Corel's many pre-made templates available online. You can access these templates directly from the application by selecting File - > New from Template.... You can export the CDT file in CorelDRAW to other more popular formats. Depending on your needs you can export the CDT file to a .PDF document or as a .JPG, .PNG, or .BMP image. You can also export CDT files to the .AI Adobe Illustrator format. CorelDRAW is included in the CorelDRAW Graphics Suite along with the following applications: Corel PHOTO-PAINT - An image-editing application for digital photos Corel CAPTURE - A single-click screen capture utility Corel Font Manager - A utility for managing fonts Corel CONNECT - A built-in content organizer NOTE:CDT templates were replaced by .CDRT files in CorelDRAW.