VOB File Extension

VOB file icon
DVD Video Object Format
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    4.1 (15 votes)

What is VOB file?

Files with the .VOB extension contain multimedia streams, such file is a form a multimedia container. This means, that besides the physical video or audio files, it contains also subtitles , DVD disc’s menus, and other additional elements, and it stores them as a single stream.

What can VOB file contain?

  • Digital video with MPEG-1 part 2 or H.262 - MPEG-2 part 2 coding,
  • Digital audio with MPEG-1 Audio Layer II or MPEG-2 Audio Layer II coding,
  • PCM, AC3 (Dolby Digital) or DTS sound,
  • Subtitles or subpictures,
  • DVD Menu with navigation.

VOB files are used to store movies on DVD discs, and they are usually located in the main catalogue - VIDEO_TS. They are based on the MPEG PS format – Program Stream, however, they can contain the so-called private streams, with untypical data. On a single DVD disc, there can be several VOB files comprising the whole, due to its volume restriction (up to 1 GB). The files can be encrypted in order to protect against copying. The extended VOB format – EVO, supports most types of video coding, while providing better quality.

Accompanying files

On a DVD disc, along with the VOB files, user may encounter also the IFO and BUP files. IFO file contains information utilised by a player – for instance: location of an audio stream or subtitles on a disc. BUP files contain a backup copy of an IFO file, in case of damaging the original.

Conversion of a VOB file

When you install one of the applications from the list of programs that you found here, you should be able to open or edit the file with the VOB extension without any issue. However, if you still have problems with this, you may use the option of VOB file conversion to a different format.

File Conversions from VOB extension to a different format
File conversions from other format to VOB file

We hope we helped you solve the problem with the VOB file. If you do not know where you can download the application from our list, click on the link (which is the name of the program) - you will find more information there on the location where to download the secure setup version of the required application.

What else may cause problems?

There can be more reasons which determine that you are not able to open the VOB file (apart from the lack of the proper application installed).

First - the VOB file may be incorrectly associated with the application installed to support it. In this case, you need to change this association by yourself. To do this, right-click on the VOB file that you want to edit, click "Open with" and then select the program from the list that you have installed. After this operation, the problems with opening the VOB file should be solved.

Second - the file you want to open can simply be damaged. Then, the best solution is to find a new version of given file, or download it again from the same source as before (maybe for some reason in the previous session the download of the VOB file has not been completed and it cannot be opened properly).

Do you want to help?

If you have additional information about the VOB file, we will be grateful if you share it with our users. To do this, use the form here and send us your information on VOB file.

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