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

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Have you came across a file with the .bdr extension, but it is a file you have never seen before? You most likely know what the file is, but you might be unsure on how to open it. That’s why we have made this article! You will learn how to open the .bdr file extension on various systems, what it is and how to work with it.

What is a .BDR file?

The .BDR file extension is from Publisher Borders File. The creator of this file extension is Microsoft. The file is a miscellaneous file.

What to know

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

How to open a .BDR file?

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

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

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

1. The first step is to download the Microsoft Publisher 365 software. This software will be used for opening the file.

Step 2

Step 2: Locating your .BDR file

2. In the second step you need to locate 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 Microsoft Publisher 365 software you have downloaded. Click on the software and click “OK”. That’s all, now you have opened your file on Windows.

Still cannot open the .BDR file?

If you cannot open the .BDR file, it is entirely possible that you are trying to open the wrong file. There are many similar file extensions that look like the .BDR file.bdr – Microsoft. 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 .BDR file with the Microsoft Publisher 365 program on Windows.