What is a .NK2 File And How To Open It – Microsoft (Easy Guide)


Have you downloaded a file with .nk2 extension, but you have never seen this extension before? You most likely know what the file is, but you might be unsure on how to open it. In this article we will explain what .nk2 file extension is, how to open it and how to work with it.

What is a .NK2 file?

The file extension .NK2 stands for Outlook 2002 Nickname File. This file extension was developed by Microsoft. The file is a miscellaneous file.

What to know

There is currently 1 software that can open the .nk2 file on 1 platform.

How to open a .NK2 file?

Below you can find an easy to understand, step-by-step guide to open the .NK2 file on your operating system/device.

How to open a .NK2 file on Windows (7, 8, 10)

There are 4 simple steps to open the .nk2 file on Windows.

1. The first step is to download the Microsoft Outlook 365 software. You will be using this software in order to open the file. The other software that you can use is Microsoft Outlook 365.

Step 2

Step 2: Locating your .NK2 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. In the fourth step, after clicking “Open with”, you should see the Microsoft Outlook 365 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 .NK2 file?

If you are still unable to open the .NK2 file, it might be because you are trying to open the wrong one. The .NK2 file extension is similar to other file extensions such as: .nkb – Native Instruments, .nkc – Native Instruments, .nki – Native Instruments, .nkit – Nintendo Kit Game ROM File, .nkm – Native Instruments. 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 .NK2 file with the Microsoft Outlook 365 program on Windows.