Maybe you have a Panasonic or Sony Camcorder or Samsung DVD Recorder and record some videos, if you want to edit them with Final Cut Pro on Mac, there must be some issue. Because VRO files isn't supported by FCP, VRO files are created by DVD video recorders or camcorders with Mini-DVD disc using the DVD-VR format. The disc has a 'VR_MOVIE.VRO' file, containing the raw audio and video data for all video recordings. You can not easily open, play and edit them on Mac.
VRO to Final Cut Pro Converter is the best VRO Converter for Mac which can help your rip or convert VR_MOVIE. Use Mac VRO to FCP, you can lightly convert vro files to mov/mp4/dv format with FCP support. Then import conversion VRO files to Final Cut Pro for editing. VRO Video to FCP Converter can also convert VRO files to MOV for editing in iMovie, Final Cut Express, Avid, Adobe Premiere Pro, etc.