UDF File Opening ProgramsThe UDF file (Universal Disk Format) is a file system format commonly used on DVDs, Blu-ray discs, and some other optical discs. You can use various programs to open or view the contents of UDF files. Here are popular programs to open UDF files:

Windows ExplorerWindows 7 and later versions support the UDF format. If you insert a disc with the UDF format into your DVD or Blu-ray drive, you can automatically see the files.

VLC Media PlayerCan play video files on UDF discs.

PowerISOCan open and edit disc images.

Daemon ToolsAllows access to the contents by mounting UDF format ISO or disc images as virtual drives.

UltraISOProvides the ability to open and edit ISO and UDF files.

ISOBusterA professional tool to read and recover file systems (including UDF) on optical discs.

WinRAR or 7-ZipCan open some UDF file types as archives, but may not always support them.

Note:Since UDF files are usually a disk format, you may need an optical disc drive or virtual drive program to access the contents of the file.
Warning:Always scan the files you download with antivirus software and make sure to download only from reliable, official sources. Malicious software can harm your device and put your personal data at risk.