To watch movies anywhere in the world, which video format is best for computers & DVD+R & players?

There is no way once for all. Different devices ask for different formats. For computers, most video file formats would be OK, while the most popular formats currently would be MP4. DVD+R discs requires DVD formats, AVI might be OK. To watch movies on DVD players, then you need to use a DVD burner, which burn videos to DVD formats and enable you to watch videos on DVD players, like this software: a href="http://www.hd-video-software.com/hd-dvd-burner/." rel="nofollow"http://www.hd-video-software.com/hd-dvd-…/a In all, a DVD burner might help you do this.