Convert cmx to sfd

What is the difference between .cmx and .sfd?

Description: Image file format used by Corel programs, such as CorelDRAW, Corel Presentations, and Paint Shop Pro; also used for storing vector-based image files included with Corel Mega Gallery Clip Art; includes image data as well as metadata that describes the image.; The SFD file format (Sofdec Dreamcast Movie) is a proprietary video file format developed by CRI Middleware specifically for use on the Sega Dreamcast gaming console. This format was used to encode and store video data for playback within Dreamcast games, allowing developers to include high-quality pre-rendered video sequences and cutscenes. The SFD format is optimized for the Dreamcast's hardware capabilities, ensuring smooth playback and efficient storage use on the console's limited media capacity.