Prores is an Apple code, normally only available on a Mac. With Prores you'll have an intermediate codec that Pro's use to edit with. Prores files are notorious for Smooth editing in a timeline, you may notice that files straight off the Phantom in .h264 format are jerky and difficult to scrub on the timeline within your editor. Prores FIles offer Very smooth editing ability. That was just one of the features in the Pack Of scripts for the encoder.