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.
AI files are vector image files created with Adobe Illustrator, a popular vector graphics editing program. This file type is commonly used for logos and print media.