From the Media menu, select Convert/Save.
Here are the instructions on how to convert VOB to MP4 using VLC. To convert VOB to MP4 with VLC, download the latest version of the freeware from the official VideoLan website using the link below.
of a DVD movie and is stored within the Video_TS folder of a DVD. vob extension generally contains all the video, audio, subtitles, menus, content info, etc. It's usually used for storing DVD-Video media. VOB, which stands for Video Object, is one of the older formats and was developed by the DVD forum in around 1995.
How to Play VOB files on Xbox One/Xbox 360.