What is a .BAY File And How To Open It – Casio


While downloading files, you might have downloaded a file with the .bay extension. You most likely know what the file is, but you might be unsure on how to open it. Don’t worry! This article explains everything about the .bay file extension, how to open and work with it on various systems.

What is a .BAY file?

The .BAY file extension stands for Casio RAW Image. This file extension was developed by Casio. This file belongs to the binary format and it is a camera raw image related file.

What to know

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

How to open a .BAY file?

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

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

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

1. The first step is to download the Corel PaintShop Pro software. You will be using this software in order to open the file.

Step 2

Step 2: Locating your .BAY 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. After choosing the “Open with” option, you will have an option to choose the Corel PaintShop Pro software you have downloaded. Click on the software and click “OK”. Congratulations! You have opened your file on Windows.

Still cannot open the .BAY file?

If you cannot open the .BAY file, it is entirely possible that you are trying to open the wrong file. The .BAY file extension is similar to other file extensions such as: .bb – Blitz Research, .bb3 – WildTangent, .bbb – Research In Motion, .bbc – BBC BASIC Data File, .bbcd – BobCAD-CAM. 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 .BAY file with the Corel PaintShop Pro program on Windows.