What is a .CWK File And How To Open It – Apple (Guide)


Have you downloaded a file with .cwk 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. That’s why you are here! We have made this guide for you to learn more about the .cwk file extension and how to open it.

What is a .CWK file?

The file extension .CWK is ClarisWorks Document. It was developed by Apple. The file has the binary format, and it is a data related file.

What to know

There are currently 4 software that can open the .cwk file on 1 platform.

How to open a .CWK file?

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

How to open a .CWK file on Mac

There are 4 simple steps to open the .cwk file on Mac.

1. In the first step you need to download the Apple Pages, Apple Keynote, Apple Numbers and Apple AppleWorks software. You will be using this software in order to open the file.

Step 2

Step 2: Finding your .CWK 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: Clicking “Open with”

3. In the third step right click on your file and choose “Open with”.

Step 4

Step 4: Choosing the software to open your file

4. In the fourth step, after clicking “Open with”, you should see the Apple Pages software that you have downloaded. Choose your software and click on “OK”. That’s all, now you have opened your file on Mac.

Still cannot open the .CWK file?

If you cannot open the .CWK file, it is entirely possible that you are trying to open the wrong file. There are many similar file extensions that look like the .CWK file.cwp – Cakewalk, .cwprj – Brother, .cws – ChordWizard Software, .cws – Apple, .cwt – Cakewalk. 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 .CWK file with the Apple Pages, Apple Keynote, Apple Numbers, Apple AppleWorks programs on Mac.