What is a .TRX_DLL File And How To Open It – Microsoft (Guide)

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Have you came across a file with the .trx_dll extension, but it is a file you have never seen before? It is important to know how to open this file – in order to be able to work with it. That’s why you are here! We have made this guide for you to learn more about the .trx_dll file extension and how to open it.

What is a .TRX_DLL file?

The file extension .TRX_DLL comes from Windows Startup File. This file extension was developed by Microsoft. The file is a system related files.

What to know

There is currently 1 software that can open the .trx_dll file on 1 platform.

How to open a .TRX_DLL file?

Below we have written a comprehensive guide on how to open the .TRX_DLL file on various operating systems.

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

There are 4 simple steps to open the .trx_dll file on Windows.

1. The first step is to download the Microsoft Windows software. You will be using this software in order to open the file.

Step 2

Step 2: Locating your .TRX_DLL file

2. The second step is locating 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 Microsoft Windows software you have downloaded. Click on the software and click “OK”. Congratulations! You have opened your file on Windows.

Still cannot open the .TRX_DLL file?

If you are still unable to open the .TRX_DLL file, it might be because you are trying to open the wrong one. There are many similar file extensions that look like the .TRX_DLL file.ts – Video Transport Stream File, .ts – Microsoft, .ts – Digia, .ts1 – VirtualBus, .ts4script – The Sims 4 Script Archive. You might be trying to open one of them. Please recheck the file extension again.


In this article you have learned how to open the .TRX_DLL file with the Microsoft Windows program on Windows.