A daily updated filename extension database!

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?
  • How can I convert .udk 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

✅ Unreal Engine 3 Level Package

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

Unreal Engine Data

Unreal Engine 3 Static Mesh Data

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

🚫 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:

dk, hdk, idk, kdk, ud, udl, udm, udo, uk, usk, ydk

Is it possible that the filename extension is misspelled?

We found the following similar file extensions in our database:

RapidPLUS User Defined Object
HotDocs Registration File
Danish Language Info File
MapView User Defined Module
Interface Development Kit Archive
Ultraplayer Playlist Data
Kodak Proprietary Decimated TIFF
YGOPRO Deck Data
OmniPage User Dictionary
English Language Info 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.

🔴 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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