Many have heard or encountered problems in opening some video files with an extension VOB file. But what is a VOB file? Basically these files are Video Object kinds of files and it is used specifically in DVD (Digital Video Disc) formats. Its specification is based on the known MPEG-2 format thus making it capable to be streamed across one or more computers. The main advantage in using these said VOB files is the quality of digital multimedia output that it produces.

In understanding what is a VOB file, the best way is to familiarize oneself in movies or any video with audio stored in disks. When it comes in quality movies stored in disks, DVD's are famous and known for its high quality of video and audio output. The only file that is capable of accommodating the very high rate of frames of audio and video streams that DVD's offer are  VOB files. It is capable in handling the very large file used in storing such high video and audio quality. This makes it one or maybe the most high quality format output in making these high quality output discs.

Another advantage is that these files, unlike any other video formats can also be bundled with subtitles. With its large size capacity even several languages of subtitles can be bundled with the disks, while the need for other or separate folders or files in storing any other format is eliminated. This technology is behind why even DVD players can support these subtitles immediately, and accurately without the need of a PC. Thus making DVD movies more understandable and useful, this only shows that knowing what is a VOB file now is kind of late, because without knowing it, we have been using these files for so long when we are watching DVD's in regular DVD players. 

There are various useful programs that anyone can use in opening VOB files. Such of these programs are used in order to view video archive, files, and documents in action. Hence, VOB files can be viewed through Windows Media Player (in the MWOS), Roxio Creator, and of course through DVD players including CyberLink Power DVD. Nevertheless, SM player can also be employed to view VOB files. Finally, VLC media player is likewise efficient in playing VOB files at its best. Certainly, one must utilize the device that is most available, accessible, and efficient in viewing VOB files.