DCD file format typically stores engineering, construction, hydraulic, electrical, or mechanical project documentation. CAD files store 2D projects and are used chielfy in construction industry.

DCD documents are created with DesignCAD, a software used by more than 2 million designers around the world. The software has been actively developed over the past decade. This tool allows users to create complex architectural solutions along with blueprints, cross sections, land developments plans, and elevations.