How to Merge VOB, IFO & BUP

Written by goloran flaherty
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How to Merge VOB, IFO & BUP
Multimedia conversion software merges DVD files into a single AVI file. (dvd image by dinostock from

VOB, IFO and BUP are specialised file types that store audio and video data on DVD media and allow for playback on DVD players. VOB, IFO and BUP cannot be merged and still maintain the DVD format. However, these files can be merged into a single file if the DVD data is converted to an AVI format. AVI (Audio Video Interleave) files are multimedia files that store video and audio data in one container and allow for synchronised playback. Converter software is necessary to convert a DVD's VOB, IFO and BUP files to a single AVI file. DVDx is free converter software capable of performing this conversion.

Skill level:

Things you need

  • Computer
  • DVD converter software
  • Internet connection

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  1. 1

    Download the DVDx converter software from Click on "DVDx 2 20" Save the file to the computer desktop when prompted.

  2. 2

    Unzip the DVDx set-up file. Go to your computer's desktop. Right-click on "DVDx 2 20" and choose "unzip." The DVDx setup.exe will be unzipped to your desktop.

  3. 3

    Install DVDx on your computer. Run the DVDx setup.exe. Select an install destination for DVDx when prompted or choose the default location. The se-tup program will install DVDx on your computer.

  4. 4

    Open the DVDx application. Click on the Windows "Start" button. Choose programs and click on DVDx. The DVDx program window will appear.

  5. 5

    Select the source files to be converted. Place the source DVD into the computer's DVD drive. DVDx will recognise the DVD and input the source files. If the DVD files are on the computer's hard drive, click on "File" in the DVDx program window and then click "Open IFO" from the displayed menu. A "Folder Selection" box will appear. Navigate to the source of the DVD files and click on the "VTS_01_0.IFO" folder. DVDx will load the source DVD files. The "Input Settings" dialogue box will appear.

  6. 6

    Configure input settings. If the DVD source files contain more than one movie, choose the movie to be converted to AVI from the menu presented in the DVDx "Input Settings" box. After selection click the "OK" button in the "Input Settings" box. If all movies contained in the DVD files are to be converted to AVI, or if only one movie exists on the DVD, click the "OK" button. The "Input Settings" window will close.

  7. 7

    Configure output settings. In the DVDx program window, click on "Settings." Select "Output Settings" from the menu presented. The "Output Settings" window will open. Select "AVI" as the output format. Under "AVI Specific" select the audio compression method desired. LAME MP3 provides high-quality audio, but any audio compression method can be chosen. Under "AVI Specific," select "XVID MPEG-4 Codec" for the AVI codec to be used in the conversion. Click the "Apply" button at the bottom of the "Output Settings" window.

  8. 8

    Select the output destination. In the DVDx program window, click on "File" and select "Destination." Browse to the location that the converted video file should be saved to on your computer. Click "OK."

  9. 9

    Merge DVD VOB, IFO & BUP files into a single AVI file. Click the red button near the bottom right of the DVDx window. The video conversion will begin. Once conversion is complete, a single AVI file containing the movie will be in the destination folder selected in step eight.

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