What is a .TBK File And How To Open It – SumTotal Systems

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While downloading files, you might have downloaded a file with the .tbk 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 .tbk file in few simple steps on various systems.

What is a .TBK file?

The file extension .TBK stands for ToolBook File. This file extension belongs to the developer SumTotal Systems. This data related file is in binary format.

What to know

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

How to open a .TBK file?

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

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

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

1. The first step is to download the SumTotal Systems ToolBook software. This software will be used for opening the file.

Step 2

Step 2: Locating your .TBK 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 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 SumTotal Systems ToolBook software you have downloaded. Choose your software and click on “OK”. That’s all, now you have opened your file on Windows.

Still cannot open the .TBK file?

If you cannot open the .TBK file, it is entirely possible that you are trying to open the wrong file. There are many similar file extensions that look like the .TBK file.tbk – Microsoft. 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 .TBK file with the SumTotal Systems ToolBook program on Windows.