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 VIFF file type is primarily associated with VisiQuest by AccuSoft. The Khoros Pro product line was taken over by AccuSoft Corporation and a newly-branded release of the Khoros Pro product line is now called VisiQuest.