what software will play a bup file
How to play VOB / IFO / BUP files. If you have gotten a bunch of files including IFO, VOB and BUP files, then you have DVD-Video files. These are the files directly from a DVD movie. The can be played in a variety of players right from your HDD, but what exactly are they? VOB stands for DVD Video Object. It is basically one of the core files found on DVD-Video discs and contains the actual movie data, including an MPEG-2 video stream and support audio (MP2, AC3, DTS etc.) In order to view stand-alone VOB files, you need to have a DVD player software that supports VOB playback. IFO.