MDF file is a rather large file, e.g. 650 MB, then it is most likely a CD image.MDF image files are created using a CD/DVD CD/DVD image file editor (and CD burner and CD/DVD backup tool) called MagicISO Maker.
MDF to ISO converter is a simple, easy to use application designed to help you burn .MDF files with a few clicks. Just select the .MDF file, select you favorite burn program. Put a writable cd-rom or dvd-rom into your cd/dvd burner and press the Burn button. Within seconds you’ll see your favorite CD/DVD burn program appear and follow the on screen instructions.
How To Convert:
To do this simply rename the .MDF file extension to .BIN at which point you can burn, or if you like to convert to .ISO. (Yes I know you can burn an .MDF file too) Do the following.
Download MDF to ISO Converter.