What is a .MP9 File And How To Open It – National Instruments (Simple Steps)

Table of Contents


While downloading files, you might have downloaded a file with the .mp9 extension. Perhaps you know what the file is, but you simply don’t know how to open it. Fear not, in this article we will show you how to easily open the .mp9 file in few simple steps on various systems.

What is a .MP9 file?

The file extension .MP9 is Multisim 9 Project File. The development of this file was done by National Instruments. The format of this file is text, and it is a CAD software file.

What to know

There is currently 1 software that can open the .mp9 file on 1 platform.

How to open a .MP9 file?

Below you can find an easy to understand, step-by-step guide to open the .MP9 file on your operating system/device.

How to open a .MP9 file on Windows (7, 8, 10)

Below you can see a visual guide on how to open the .mp9 file on Windows in 4 easy steps.

1. In the first step you need to download the National Instruments Multisim software. You will be using this software in order to open the file. You can also use National Instruments Multisim software.

Step 2

Step 2: Locating your .MP9 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 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 National Instruments Multisim software that you have downloaded. Click on the software and click “OK”. Congratulations! You have opened your file on Windows.

Still cannot open the .MP9 file?

If you cannot open the .MP9 file, it is entirely possible that you are trying to open the wrong file. There are many similar file extensions that look like the .MP9 file.mpa – MPEG-2 Audio File, .mpb – Franz Josef Wechselberger, .mpc – Musepack, .mpc – Electronic Arts, .mpcpl – Media Player Classic. 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 .MP9 file with the National Instruments Multisim program on Windows.