Filename Extensions
If you are seeking information about file extensions, then you are in the right place at right time.

Details of extension .udf

1 extension(s) and 0 alias(es) in our database

Below, you can find answers to the following questions:

  • What is the .udf file?
  • Which program can create the .udf file?
  • Where can you find a description of the .udf format?
  • What can convert .udf files to a different format?
  • Which MIME-type is associated with the .udf extension?
Windows NT Uniqueness Database File .udf file icon

Windows NT Uniqueness Database File

UDF file is a Windows NT Uniqueness Database File. Unattended Setup with Windows NT supports the use of the Uniqueness Database File (UDF), which provides the ability to specify per-computer parameters. The UDF is an ASCII text file created using a simple text editor.
Detailed description not available
Category: Data files
Application: Notepad
Program name: notepad.exe
Mime-type: application/octet-stream
Magic bytes (HEX): -
Magic string (ASCII): -
Related extensions:

Other types of files may also use the .udf file extension. If you have helpful information about .udf extension, write to us!

Is it possible that the filename extension is misspelled?

We found the following similar extensions in our database:

OpenEdge ABL Data Definition
Adobe InDesign User Dictionary
Universal Data Connection
Kinko's Document Format File
Nintendo 64 Music
MIDI Instrument Definition File
Crestron SIMPL Compile
Paradox Table Filter
OllyDbg Module Info

The .udf filename extension is often given incorrectly!

According to the searches on our site, these misspellings were the most common in the past year:

uff (1), df (1), uf (1), udt (1), udg (1), udc (1), ud (1), uxf (1), kdf (1), uvf (1), idf (1), urf (1), duf (1), ufd (1), uef (1)

Can't open a .udf file?

If you want to open a .udf file on your computer, you just need to have the appropriate program installed. If the .udf association isn't set correctly, you may receive the following error message:

Windows can't open this file:

File: example.udf

To open this file, Windows needs to know what program you want to use to open it. Windows can go online to look it up automatically, or you can manually select from a list of programs that are installed on your computer.

To change file associations:

  • Right-click a file with the extension whose association you want to change, and then click Open With.
  • In the Open With dialog box, click the program whith which you want the file to open, or click Browse to locate the program that you want.
  • Select the Always use the selected program to open this kind of file check box.

Supported operating systems

Windows Server 2003/2008/2012/2016, Windows 7, Windows 8, Windows 10, Linux, FreeBSD, NetBSD, OpenBSD, Mac OS X, iOS, Android

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