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.
MOBI is an eBook format that supports several eBook reading devices and gadgets. It also supports in mobile phones and PDAs. Although it is a file extension of Mobipocket Reader, most other eBook readers also support this file format. It also contains DRM to protect the digital right of the eBook. This format is officially discontinuing from the year 2011.