CWK File Type

- The quick facts

What are CWK files and how to open them

Are you having problems opening a CWK file or just wondering what they contain? We explain what these files are used for and show you software that we know can open or otherwise handle your files.

What is a CWK file?

A .CWK file is a ClarisWorks Document file. Files containing the .cwk file extension are most commonly associated with the ClarisWorks or AppleWorks productivity suite used for Apple computers. The CWK files may contain word processing documents, drawings, presentations, or spreadsheets that these software programs have created. Apple bought out Claris in 1998.

How to open CWK files

Important: Different programs may use files with the CWK file extension for different purposes, so unless you are sure which format your CWK file is, you may need to try a few different programs.

While we have not verified the apps ourselves yet, our users have suggested 6 different CWK openers which you will find listed below.

Last updated: December 15, 2021

Suggest another file format using extension CWK

While we know of one file format using the .CWK file extension, there may be more. It is widespread that different programs use files with the same file extension for very different types of data. Please let us know if you are aware of a different kind of .CWK file.

Various apps that use files with this extension

These apps are known to open certain types of CWK files. Remember, different programs may use CWK files for different purposes, so you may need to try out a few of them to be able to open your specific file.

GraphiCodeGraphiCodeUser submitted
Integrated Software PackageIntegrated Software PackageUser submitted
AppleWorksAppleWorksUser submitted
Microsoft OfficeMicrosoft OfficeUser submitted
DAQCreator ApplicationDAQCreator ApplicationUser submitted
We have not verified any software that we know for certain will work with CWK-files on Mac. If you know one, please use the 'Suggest a program' link below and tell us about it!
We have not verified any web services that we know for certain will work with CWK-files. If you know one, please use the 'Suggest a program' link below and tell us about it!