Everything You Need To Know About File Extensions
Descriptions. Workarounds. Issues

File Extension BUP

The .BUP files are backup copies of the .IFO files. The .VOB files (for DVD-Video) and .AOB files (for DVD-Audio) are MPEG-2 program streams with additional packets containing navigation and search information.

IFO is a DVD information file which stores information about Chapters, Subtitles and Audio Tracks. It refers to certain points in VOB file where specific video, audio or subtitles stream start.

VOB file is a container format to store DVD-Video media. It is based on MPEG-2 video format with certain limitations. It contains Video, Audio, Subtitle, and Menu information in stream form. You can view VOB files by just renaming their file extension to MPG or MPEG. If you want to burn DVD-R disk you will also need to have IFO and BUP files.

VOB with chapters: DVD authors often divide the content into chapters. The chapters can be individual episodes of a TV show, scenes in a movie, cut scenes, or trailers. By dividing the DVD into chapters, it becomes possible to create the navigation menus and let the viewer jump directly to a desired part of the DVD.

VOB files can contain multiple chapters. These chapters can be seen as chapter points in the VOB file using Digital Media Converter. The software can either extract the chapters (so that each becomes a separate file) or convert the entire VOB file (all the chapters) into a single new file.

VOB without chapters: These VOB files are undivided-they contain only one video stream. It's easy to recognize a chapterless VOB file while you use Digital Media Converter. If the file contains chapters, the software alerts you.

You can open BUP files with Corel WinDVD, Nero ShowTime, PowerDVD, Windows DVD Maker on Windows OS and Apple DVD Studio Pro, Roxio Popcorn on Mac OS.

We hope you found this description of File Extension BUP useful.

• We also created an article for you which step by step describes how to open any file extension on your computer.

  This article will teach you several simple methods which will allow you to figure out what is stored inside the file.

  Read an article on how to open any file extension

• Find more information about file extension and other file problems in File Extension Knowledge Base

• Also if you find an application on the web which claims to open your file make sure to scan it for viruses

  It is a very popular trick for an application to claim something it cannot do and instead install malware on your computer

  Read an article on Viruses, Trojans and Adware

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