What is a .TUB File And How To Open It – Corel (Easy Steps)

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Have you downloaded a file with .tub extension, but you are not sure what it is? Perhaps you know what the file is, but you simply don’t know how to open it. Thanks to this easy guide you will be able to find out what .tub file extension is, how to open it and how to work with it.

What is a .TUB file?

The file extension .TUB is PaintShop Pro Picture Tube. The creator of this file extension is Corel. This file belongs to the binary format and it is a raster related file.

What to know

There are currently 3 software that can open the .tub file on 1 platform.

How to open a .TUB file?

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

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

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

1. In the first step you need to download the Chasys Draw IES software. You will be using this software in order to open the file. You can also use Corel PaintShop Pro, TubeEx and Chasys Draw IES software.

Step 2

Step 2: Locating your .TUB 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 Chasys Draw IES software that you have downloaded. Choose your software and click on “OK”. Congratulations! You have opened your file on Windows.

Still cannot open the .TUB file?

If you are still unable to open the .TUB file, it might be because you are trying to open the wrong one. The .TUB file extension is similar to other file extensions such as: .tun – High Voltage Software, .tur – Holt Software, .tut – Tilted Mill Entertainment, .tvc – TeamViewer, .tvc – IMSI/Design. 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 .TUB file with the Chasys Draw IES, Corel PaintShop Pro, TubeEx programs on Windows.