The extension .CDW refers to files of the type Kompas document files. This is a program used for creating 3D rendering and modeling in manufacturing industry.

The Kompas document files are also sometimes used for creating simple design documents and layout plans. Like other formats of CAD file outputs, this file type also provides several features and supports wireframe design patterns. As this is a proprietary format, the software that creates the file can read them or the read-only version of Kompass Reader is needed to open the .CDW files.