Files with bup extension are used for files that contain backup of IFO files commonly used found on DVD video disks.

There are 3 other file types using
the BUP file extension!

empty icon.bup - Brother Embroidery system data

empty icon.bup - PC-Bibliothek update

empty icon.bup - McAfee quarantined data

Detailed description

Software that open bup file

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BUP file extension - Backup of DVD info

What is bup file? How to open bup files?

File type specification:

Digital video and movie file type icon Digital video and movie file type

bup file icon: bup filetype icon

File extension bup is best known for its use on backups of DVD IFO format.

The bup files are used by a variety of software as a backup of the ifo files found on DVDs. IFO format are used to store various information on the DVD, such as tracks or subtitles.

The backup is useful in case the primary VIDEO_TS.IFO file is unavailable or corrupted (due to a scratch on the surface of the disc). BUP files should be accessed by a media player and it shouldn't be necessary to open directly by yourself.

Much like IFO files, BUP files are not encrypted.

Also used by old program CD Indexer which was used to create a mirrors of CDs and drives. But its not related to this format, just shares the same extension.

Updated: November 21, 2023

The default software associated to open bup file:

Cyberlink PowerDVD icon

CyberLink Corp. logoCyberlink PowerDVD  Microsoft Windows software

Company or developer:
CyberLink Corp.

PowerDVD is popular commercial multimedia player very often bundled with new computers, laptops, graphic cards and DVD drives. It is also available as stand alone version. PowerDVD supports variety of video and audio formats, such as DVD-video, DVD-audio, VCD, SVCD, AVI, DivX, XviD etc.. PowerDVD provides many settings to specify, such as image ratio, snapshots, audio channel etc.

Related articles:

Windows DVD Maker Guide

Help how to open:

BUP format can be opened and played in various applications such as WinDVD, Nero ShowTime, Apple DVD Studio Pro or PowerDVD.

How to convert:

There is no way how to convert BUP file to other file format.

Find conversions from bup file:

bup to dat

bup to mkv

bup to mp3

List of software applications associated to the .bup file extension

Recommended software programs are sorted by OS platform (Windows, macOS, Linux, iOS, Android etc.)
and possible program actions that can be done with the file: like open bup file, edit bup file, convert bup file, view bup file, play bup file etc. (if exist software for corresponding action in's database).

Click on the tab below to simply browse between the application actions, to quickly get a list of recommended software, which is able to perform the specified software action, such as opening, editing or converting bup files.

Software that open bup file - Backup of DVD info

Programs supporting the exension bup on the main platforms Windows, Mac, Linux or mobile. Click on the link to get more information about listed programs for open bup file action.

Microsoft Windows:

Main software associated with bup file by default:
Cyberlink PowerDVD small icon Cyberlink PowerDVD
Other suggested software:
Corel WinDVD small icon Corel WinDVD
Nero ShowTime small icon Nero ShowTime

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