What is a .AHD File And How To Open It – Microsoft

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While downloading files, you might have downloaded a file with the .ahd extension. 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 .ahd file in few simple steps on various systems.

What is a .AHD file?

The file extension .AHD is Dynamics AX Online Help Data 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 .ahd file on 1 platform.

How to open a .AHD file?

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

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

To open the .ahd file on Windows, please follow these 4 easy steps.

1. The first step is 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 .AHD 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, after locating your file, right click on it and click “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 Dynamics AX software you have downloaded. Choose your software and click on “OK”. Congratulations! You have opened your file on Windows.

Still cannot open the .AHD file?

If you are still unable to open the .AHD file, it might be because you are trying to open the wrong one. The .AHD file extension is similar to other file extensions such as: .ahi – Microsoft, .ahk – AutoHotkey, .ahl – eMule, .ahs – Adobe Systems, .ahu – Adobe Systems. 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 .AHD file with the Microsoft Dynamics AX program on Windows.