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Details of the .udk file extension

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

  • What is the .udk file?
  • What program do I need to open a .udk file?
  • How can the .udk file be opened, edited or printed?
  • Where can I find the specifications for .udk?
  • Which MIME-type is associated with the .udk extension?
  • How can I convert .udk files to another format?
  • What are other, similar filename extensions to .udk?

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

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

.udk file extension details

Unreal Engine 3 Level Package

Unreal Engine 3 Level Package .udk file icon
UDK file is an Unreal Engine 3 Level Package. The Unreal Engine 3 is a game engine developed by Epic Games.
Category: Game Data files
Application: Unreal Engine 3
Mime-type: application/octet-stream
Magic number: -
Magic string: -
Sample: -
UDK aliases:
UDK related links:
UDK related extensions:
Unreal Engine 3 Texture File Cache

Unreal Engine 3 Package

Unreal Engine 2 Skeletal Mesh

Unreal Engine 2 Animation Data

Unreal Engine 2 Runtime Executable File

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

.udk file extension error

The .udk file extension is often given incorrectly!

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

udl, hdk, ud, udo, idk, ydk, kdk

Is it possible that the filename extension is misspelled?

We found the following similar file extensions in our database:

MDAC Universal Data Link
HotDocs Registration File
OmniPage User Dictionary
YGOPRO Deck Data
Interface Development Kit Archive
RapidPLUS User Defined Object
Kodak Proprietary Decimated TIFF
open .udk file

Can't open a .udk 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 .udk file association, check the FAQ.

.udk file extension

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 .udk file extension, write to us!

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