What is a .EST_UAX File And How To Open It – Epic Games (Simple Steps)

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Have you downloaded a file with .est_uax extension, but you have never seen this extension before? You most likely know what the file is, but you might be unsure on how to open it. Fear not, in this article we will show you how to easily open the .est_uax file in few simple steps on various systems.

What is a .EST_UAX file?

The file extension .EST_UAX is from Spanish Unreal Audio Package.This file extension was developed by Epic Games. The format of this file is binary, and it is a game related file.

What to know

There are currently 3 software that can open the .est_uax file on 1 platform.

How to open a .EST_UAX file?

Below you can find an easy to understand, step-by-step guide to open the .EST_UAX file on your operating system/device.

How to open a .EST_UAX file on Windows (7, 8, 10)

We have written below an easy-to-understand guide on how to open the .est_uax file on Windows in 4 easy steps.

1. The first step is to download the Epic Games UnrealEd, Dragon UnPACKer and Epic Games Unreal Tournament software. You will be using this software in order to open the file.

Step 2

Step 2: Locating your .EST_UAX file

2. In the second step you need to locate the downloaded file. If you don’t remember where you have downloaded your file to, you should check your /download/ folder as it usually gets automatically saved there.

Step 3

Step 3: Choose “Open with”

3. In the third step right click on your file and choose “Open with”.

Step 4

Step 4: Choose the software and click ok

4. After choosing the “Open with” option, you will have an option to choose the Epic Games UnrealEd software you have downloaded. Choose your software and click on “OK”. Congratulations! You have opened your file on Windows.

Still cannot open the .EST_UAX file?

If you are still unable to open the .EST_UAX file, it might be because you are trying to open the wrong one. The .EST_UAX file extension is similar to other file extensions such as: .esx – Xactware, .et – Research Machines, .et – Kingsoft, .eta – Google, .etd – Adobe Systems. You might be trying to open the wrong file, please recheck if you are trying to open the right file extension again.


In this article you have learned how to open the .EST_UAX file with the Epic Games UnrealEd, Dragon UnPACKer, Epic Games Unreal Tournament programs on Windows.