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.
LRF is an eBook reader file associated with Sony. It can contain text and images. It uses the DRM protection to ensure Sony’s digital right. LRF files turn the data into binary file. LRF had been used for the eBooks of Sony eBook store before it was discontinued in 2010.