Vob File Extension
Vob extension is related to Video Object - movie files. You have chance to open vob files with current video players.
Vob extension stands for raw video format which used with Dvd. The capacity of vob files can be reduced by compressing divx softwares. If you need to convert this file to avi easily, you have chance to use AutoGordianKnot program which can be downloaded free via internet.
To get detailed informations, please check the following links.
What needed to Open Vob file extensions.
current video players.
Links about Vob file extension