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.
The MTV file type is primarily associated with MTV. MTV is a file format created to allow video playback capabilities on inexpensive Chinese-made portable MP4 players without increasing the cost of those players with license royalties and more processor power. One use of this file format is in a product called the MP4 Watch.