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


Have you downloaded a file with .aoi extension, but you are not sure what it is? It is possible that you know what the file does, but you are unsure on how to open it. Fear not, in this article we will show you how to easily open the .aoi file in few simple steps on various systems.

What is a .AOI file?

The file extension .AOI is from Dynamics AX Application Object Index File.This file extension belongs to the developer Microsoft. The file is a miscellaneous file.

What to know

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

How to open a .AOI file?

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

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

Below you can see a visual guide on how to open the .aoi file on Windows in 4 easy steps.

1. In the first step you need to download the Microsoft Dynamics AX software. You will be using this software in order to open the file.

Step 2

Step 2: Locating your .AOI file

2. The second step is locating the downloaded file. The file can be usually found in your /download/ folder if you don’t remember where you have downloaded it to.

Step 3

Step 3: Choose “Open with”

3. In the third step, after locating your file, right click on it and click “Open with”.

Step 4

Step 4: Choose the software and click ok

4. In the fourth step, after clicking “Open with”, you should see the Microsoft Dynamics AX software that you have downloaded. Choose your software and click on “OK”. That’s all, now you have opened your file on Windows.

Still cannot open the .AOI file?

If you are still unable to open the .AOI file, it might be because you are trying to open the wrong one. There are many similar file extensions that look like the .AOI file.aoi – Peter Eastman. 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 .AOI file with the Microsoft Dynamics AX program on Windows.