This format is used for data exchange in programs that work with vector graphics from Corel, and also for printing completed designs. It contains image data and also the metadata that describes it. In CMX it’s possible to store layers that can be independently edited. The format is recognized by Adobe Illustrator versions 6-8.
DXF is a common format for Computer Aided Design (CAD). It is developed by Autodesk and it is similar to the DWG format but it is more compatible with other software packages since it is open documented.