What is a .CLB File And How To Open It – ICQ (Visual Guide)

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Have you came across a file with the .clb extension, but it is a file you have never seen before? You most likely know what the file is, but you might be unsure on how to open it. That’s why we have made this article! You will learn how to open the .clb file extension on various systems, what it is and how to work with it.

What is a .CLB file?

The file extension .CLB is from ICQ Contact List.This file extension belongs to the developer ICQ. The format of this data related file is binary.

What to know

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

How to open a .CLB file?

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

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

The .clb file can be opened in 4 steps on Windows.

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

Step 2

Step 2: Locating your .CLB file

2. In the second step you need to locate 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, 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 ICQ software that you have downloaded. Choose your software and click on “OK”. Congratulations! You have opened your file on Windows.

Still cannot open the .CLB file?

If you are still unable to open the .CLB file, it might be because you are trying to open the wrong one. There are many similar file extensions that look like the .CLB file.clb – 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 .CLB file with the ICQ program on Windows.