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.
DOC is a word processing file created by Microsoft. This files format turns a plain-text format into a formatted document. It supports almost all the Operating Systems. It can contain large amount of text, data, charts, table, image etc. It can contain rich text format (RTF) and HTML texts also.