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

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Have you downloaded a file with .mdf extension, but you are not sure what it is? It is important to know how to open this file – in order to be able to work with it. Thanks to this easy guide you will be able to find out what .mdf file extension is, how to open it and how to work with it.

What is a .MDF file?

The .MDF file extension is SQL Server Database File. This file extension was developed by Microsoft. The file is a database related file.

What to know

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

How to open a .MDF file?

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

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

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

1. The first step is to download the Aryson SQL Database Recovery software. You will be using this software in order to open the file. Other software that can be used in opening this file is: Aryson SQL Database Recovery.

Step 2

Step 2: Locating your .MDF 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 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 Aryson SQL Database Recovery software you have downloaded. Click on the software and click “OK”. Congratulations! You have opened your file on Windows.

Still cannot open the .MDF file?

If you cannot open the .MDF file, it is entirely possible that you are trying to open the wrong file. There are many similar file extensions that look like the .MDF file.mdf – Alcohol Software, .mdf – Vector, .mdf – SDL. 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 .MDF file with the Aryson SQL Database Recovery program on Windows.