What is a .NS1 File And How To Open It – Martin Freij (Easy Steps)

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Have you came across a file with the .ns1 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 you are here! We have made this guide for you to learn more about the .ns1 file extension and how to open it.

What is a .NS1 file?

The .NS1 file extension is Nestopia Save State. It was developed by Martin Freij. The file is a game related file.

What to know

There is currently 1 software that can open the .ns1 file on 1 platform.

How to open a .NS1 file?

Below we have written a comprehensive guide on how to open the .NS1 file on various operating systems.

How to open a .NS1 file on Windows (7, 8, 10)

There are 4 simple steps to open the .ns1 file on Windows.

1. In the first step you need to download the Nestopia software. This software will be used for opening the file. Other software that can be used in opening this file is: Nestopia.

Step 2

Step 2: Locating your .NS1 file

2. In the second step you need to locate 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 Nestopia software you have downloaded. Click on the software and click “OK”. Congratulations! You have opened your file on Windows.

Still cannot open the .NS1 file?

If you cannot open the .NS1 file, it is entirely possible that you are trying to open the wrong file. The .NS1 file extension is similar to other file extensions such as: .ns2 – IBM, .ns3 – IBM, .ns4 – IBM, .nsa – Nullsoft, .nsbca – Nintendo DS Model Animation File. 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 .NS1 file with the Nestopia program on Windows.