.DISC File Extension
File TypeToast Document
What is a DISC file?
Project file created by Roxio Toast, a multimedia disc authoring and burning application; stores the saved settings for a data, audio, video, or conversion disc project; may include references to files as well as burning settings.
DISC files are the native format for Toast projects. These project files can be used for burning optical discs as well as a disc image files. The native extension used for Toast disc images is .TOAST.