Home » System Files, U » UDF

Basic information about UDF file

When there is a problem with opening files with the file extension UDF（*.UDF or *.udf）, you do not need a computer expert. In most cases, using the helpful suggestions of experts contained in our website as well as appropriate programs, you can solve the problem with the UDF file yourself.

There are 6 file types using the UDF file extension in our database. In the further part of this page, you will find detail information about all the UDF file with their brief description and a list of programs that support UDF file sorted by operating systems. The table below provides useful information about the UDF file extension. It answers questions such as:
  • What is the UDF file?
  • How to open a UDF file?
  • What programs do I need to open a UDF file?
  • What programs help to create and edit a UDF file?
  • How to convert UDF files to another file format?
  • How to convert another files to UDF file format?


1.Detail information about UDF file extension: Windows NT/XP Uniqueness Database

File type Windows NT/XP Uniqueness Database Category System Files
Developer N/A File format N/A
Description UDF file is a Windows NT/XP Uniqueness Database. The udf file extension is also related with Uniqueness Database Files (UDFs).

UDF has a structure similar to that of an answer file. However, the UDF begins with an additional section in which uniqueness IDs are specified and mapped to sections in the UDF. If a uniqueness ID is specified in the winnt or winnt32 command, any values specified in the sections associated with that uniqueness ID override the values in the sections in the answer file that have the same section names.

One UDF can have numerous uniqueness IDs, and each uniqueness ID can specify a slightly different configuration. For example, you can have a uniqueness ID for each computer in your organization, with a different computername for each uniqueness ID— all in one UDF.

This udf file type entry was marked as obsolete and no longer supported file format.

This type of file is no longer actively used and is most likely obsolete. This is typically the case for system files in old operating systems, file types from long discontinued software, or previous versions of certain file types (like documents, projects etc.) that were replaced in higher versions of their original programs.
Software programs that will open, edit or convert UDF files

Windows		 Microsoft Windows NT 4.0
Microsoft Windows XP Professional


2.Detail information about UDF file extension: Universal Disk Format File

File type Universal Disk Format File Category Disk Image Files
Developer Optical Storage Technology Association File format Binary
Description UDF file is a Universal Disk Format File developed by Optical Storage Technology Association.
Software programs that will open, edit or convert UDF files

Windows		 Nero 2018
MagicISO
7-Zip

macOS
 Roxio Toast 16
Roxio Popcorn


3.Detail information about UDF file extension: Excel User Defined Function

File type Excel User Defined Function Category Executable Files
Developer Microsoft File format Text
Description UDF file is a Excel User Defined Function developed by Microsoft.
Software programs that will open, edit or convert UDF files

Windows		 Microsoft Excel 2016

macOS
 Microsoft Excel 2016


4.Detail information about UDF file extension: Uyap Dokuman Editoru Document

File type Uyap Dokuman Editoru Document Category Page Layout Files
Developer N/A File format N/A
Description UDF file is a Uyap Dokuman Editoru Document.
Software programs that will open, edit or convert UDF files


5.Detail information about UDF file extension: SQL User Defined Function Script File

File type SQL User Defined Function Script File Category Developer Files
Developer N/A File format N/A
Description UDF file is a SQL User Defined Function Script File.
Software programs that will open, edit or convert UDF files


6.Detail information about UDF file extension: PI Expert Document File

File type PI Expert Document File Category Page Layout Files
Developer N/A File format N/A
Description UDF file is a PI Expert Document File.
Software programs that will open, edit or convert UDF files

Windows		 PI Expert Suite



How to convert UDF files to another file format?

There are 3 records in our database eligible for UDF files to another file format conversion. If you want to achieve UDF to another files conversion, you may use the option.

UDF to BIN UDF to ISO UDF to VCD


How to convert another files to UDF file format?

There are 3 records in our database eligible for another files to UDF file format conversion. If you want to achieve another files to UDF conversion, you may use the option.

ISO to UDF IMZ to UDF IMG to UDF


Can't open a UDF file?

When you click a file to open it, operating system examines the filename extension. If operating system recognizes the filename extension, it opens the file in the program that is associated with that filename extension. When operating system does not recognize a filename extension, you receive the following message:

”Can't open this file: example.UDF”。

To open this file, you install one of the applications from the list of software programs that you found here, you should be able to open, edit or convert the file with the UDF extension without any issue.


Where I can download the application that support UDF file?

If you do not know where you can download the application from our list, click on the link (which is the name of the program), you will find more information there on the location where to download the required application. Most often they are the websites of software manufacturers.


How 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.


Can I change the extension of UDF files?

Changing the filename extension of a file is not a good idea. When you change a file's extension, you change the way programs on your computer read/open the file. The problem is, changing the file extension does not change the file format. Select a software program from our list and install it on your computer. If the file has not opened correctly, you have to look for a different software program from our list. Sometimes you have to repeat the operation several times.


What else may cause problems width open a UDF file?

The reasons for the lack of the ability to open a UDF file on your computer may be at least several. The easiest thing is to find a suitable application installed on your computer, which will open a UDF file. If there is still something wrong, you might want to check:

  • Whether the UDF file is damaged.
  • Whether the UDF file is incorrectly linked in the registry entries.
  • Whether the UDF file extension has been accidentally removed from the Windows registry.
  • Whether the installation of an application that supports the UDF file format is incompletely.
  • Whether the UDF file is infected.
  • Whether the drivers of the equipment used for opening a UDF file are up to date.
  • Whether your computer has enough hardware resources to open a UDF file.

If the UDF file still not working with your software after eliminating the above shortcomings? That means that the problem is more complex and requires the help of a specialist.