What is a .REQ File And How To Open It – Canon (Visual Guide)

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While downloading files, you might have downloaded a file with the .req extension. 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 .req file extension and how to open it.

What is a .REQ file?

The .REQ file extension is from Canon SD Card Version Request File. The development of this file was done by Canon. The file is a miscellaneous file.

What to know

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

How to open a .REQ file?

Below we will show you a step-by-step guide on how to open the .REQ file on various operating systems.

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

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

1. The first step is to download the Microsoft Notepad software. You will be using this software in order to open the file.

Step 2

Step 2: Locating your .REQ file

2. The second step is locating 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 Microsoft Notepad software that you have downloaded. Click on the software and click “OK”. Congratulations! You have opened your file on Windows.

Still cannot open the .REQ file?

If you cannot open the .REQ file, it is entirely possible that you are trying to open the wrong file. The .REQ file extension is similar to other file extensions such as: .req – SSL Certificate Request File. 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 .REQ file with the Microsoft Notepad program on Windows.