My cell phones generate .mp4 video files. I can import them into Photoshop Elements Organizer 12, add titles and tags but I can't generate a thumbnail image or view these videos by clicking on the image in the Organizer. PSE 12 does support the .mov file format that my Nikon D800 generates and shows a thumbnail and allows me to view the video. I can view the video using the Windows 10 file manager. I can also view them with Bridge CC. Any suggestions for getting functionality in PSE 12?