.PRO4DVD File Extension
File TypeProPresenter DVD Clips Document
What is a PRO4DVD file?
File containing a DVD video clip created by ProPresenter, a media package used by churches, sporting venues, and television broadcasts; saves a ripped clip from a DVD; used as an alternative to playing a video directly from a DVD.
NOTE: .PRO5DVD is now used with ProPresenter, which was released late 2011.