What is a .COF File And How To Open It – Microchip Technology (Easy Steps)

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Have you came across a file with the .cof extension, but it is a file you have never seen before? 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 .cof file in few simple steps on various systems.

What is a .COF file?

The file extension .COF comes from MPLAB COFF File. The development of this file was done by Microchip Technology. The file has the binary format, and it is a executable file.

What to know

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

How to open a .COF file?

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

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

We have written below an easy-to-understand guide on how to open the .cof file on Windows in 4 easy steps.

1. In the first step you need to download the Microchip Technology MPLAB IDE software. This software will be used for opening the file. The other software that you can use is Microchip Technology MPLAB IDE.

Step 2

Step 2: Locating your .COF 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. In the fourth step, after clicking “Open with”, you should see the Microchip Technology MPLAB IDE software that you have downloaded. Choose your software and click on “OK”. Congratulations! You have opened your file on Windows.

Still cannot open the .COF file?

If you cannot open the .COF file, it is entirely possible that you are trying to open the wrong file. The .COF file extension is similar to other file extensions such as: .coffee – CoffeeScript JavaScript File, .col – Phase One, .col – Rockstar Games, .collab – Blackboard, .collection – Adobe Systems. 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 .COF file with the Microchip Technology MPLAB IDE program on Windows.