.UPK File Extension

Are you having difficulty opening a file that ends with .UPK? Such files can be executed only by certain programs. If you cannot open the .UPK file, it can be due to the following reasons: either you do not have an appropriate program to open it, or your file association is corrupted. For more information about this extension, please read the article below.

What is a .UPK file?

.UPK file belongs to the category of Game Files used in operating systems such as Windows 11, 10, Windows 7, Windows 8 / 8.1, Windows Vista, Windows XP.

upk

Developer: Epic Games

File Type: Unreal Engine 3 Package

Category: Game Files

Format: Binary

.UPK file is associated with Unreal Engine 3 Package developed by Epic Games, has a Binary Format and belongs to Game Files category.

Other file extensions

.xmcdz

Mathcad Compressed Worksheet File

.rds

Ray Dream Studio Scene File

.big

Electronic Arts Game Data File

.suo

Visual Studio Solution User Options File

.styk

Stykz Stick Figure