.PRO4 File Extension
File TypeProPresenter 4 Document
What is a PRO4 file?
Multimedia presentation created with ProPresenter, an application used for creating productions for church worship services; may contain multiple presentation slides as well as references to audio and video files; also stores the timeline for when to show each slide; used for saving the documents in the application's Library pane.
PRO4 files are compatible between Mac and Windows versions of ProPresenter.