1] Make sure the file format is supported Photos app supports all the major image and video formats. In case you are trying to open image and video formats like .mxf or some other that are ...

Some time ago, I ripped the files from a DVD using DVDDecrypter so that I could play the film from my PC. I don't have the DVD anymore, but I do have the .vob, .bup, .ifo files from the rip.