UPK File Extension

File Type

Unreal Engine 3 Package

Developer

Epic Games

Category

Game Files

MIME

mime-type/not-avalible

Updated

11/08/2021

Information about the UPK file extension

Files with the UPK extension are found in 1 operating systems which include Windows. Mass Effect is a very common application as a tool for handling UPK files. This is an application developed by BioWare. The Unreal Development Kit, Unreal Tournament 3, Gears of War programs are also compatible with UPK files and can be used to open them.

The structure of such files is typical of Game Files. The UPK file extension can also be found in 1509 in other file types and may not be supported by Mass Effect or similar programs. The format of this particular Unreal Engine 3 Package file was developed by Epic Games. The Unreal Engine 3 Package file was most likely created using the Mass Effect program. UPK detailed description

Our tools for working with the UPK file

UPK File Extension

What is a(n) UPK file??

The UPK file extension is an Unreal Engine 3 package file. The format is a container for asset files used by the game engine. It should not be confused with the .UPK file extension for Unreal Engine 4 packages, which use a different file structure.

Unreal Engine 3 packages are stored in the UE3/UnrealPak folder of your game install folder.

UPK File Tools

What tools are available?

We present some basic free online tools that work with UPK. They will help you use your UPK file in the way you want. You can easily convert the file, preview its contents, or open and edit any UPK file.

UPK File Opener

UPK opener is one of the most used tools. Here's how to easily open your UPK file. Opening the UPK file is just the beginning. Other file operations can be the next step.

UPK File Viewer

The UPK Viwer tool helps to preview the contents of a file without the need to install dedicated software. Go to the subpage, select your UPK file you want to view and our tool will show you what the file contains

UPK File Converter

Try to convert the UPK file to a different format if problems arise while working with the UPK file. Converting the UPK file will give you more options for editing the data in the file.

UPK File Editor

UPK editor allows you to edit the data contained in the file. If you need to be able to edit the UPK file as much as possible, then it is best to install special software designed for this purpose. Check out our UPK file editor page and learn about the possibilities


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