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UDL file extension

The table below provides useful information about the .udl file extension. It answers questions such as:

  • What is the .udl file?
  • What program do I need to open a .udl file?
  • How can the .udl file be opened, edited or printed?
  • How can I convert .udl files to another format?

Table of Contents

We hope you find this page helpful and a valuable resource!

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

✅ MDAC Universal Data Link

UDL file is a MDAC Universal Data Link. The Microsoft Data Access Components (MDAC) provide the Data Link Properties dialog box as the common user interface for specifying connection information to a data provider on Windows 2000 and later operating systems. You can use the Data Link Properties dialog box to save connection information in a universal data link (.udl) file.
Category: Data files
Application: Visual Studio .NET
Mime-type: application/octet-stream
Magic number: -
Magic string: -
Sample: -
UDL aliases:
UDL related links:
UDL related extensions:

Other types of files may also use the .udl file extension.

🚫 The .udl file extension is often given incorrectly!

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

dl, hdl, idl, jdl, kdl, ucl, ud, udi, udk, udm, udo, udp, uel, ufl, ul

Is it possible that the filename extension is misspelled?

We found the following similar file extensions in our database:

RapidPLUS User Defined Object
Interface Definition File
OmniPage User Dictionary
DIALux Unified Luminaire Data
FLEXnet Manager Debug Log
ProWorx NXT USL Loadable
Corel VideoStudio Scene Information
MSN Webcam Recorder Video
HotDocs Template Library
UVLayout Document

🔴 Can't open a .udl file?

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

Windows cannot open this file:


To open this file, Windows needs to know what program you want to use to open it...

If you don't know how to set the .udl file association, check the FAQ.

🔴 Can I change the extension of 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 the file. The problem is, changing the file extension does not change the file format.

If you have helpful information about the .udl file extension, write to us!

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