Old ClarisWorks documents are still supported in several programs and thus it is possible to export or convert them to another file type. For example CWK to CSV (comma separated value) conversion should be possible with FileMaker Pro or similar. This is mainly the case of ClarisWorks documents with tables.
Convert ClarisWorks document file to Comma Separated Value.
We have found 2 software records in our database eligible for .cwk to .csv file format conversion.
Microsoft Windows software - convert cwk to csv on Windows
A program used to create and manage information databases
Convert from cwk file format
The tables with software actions are a good pointer for what a certain program does with various file types and often may give users a good hint how to perform certain file conversion, for example the above-mentioned cwk to csv. However, it is not perfect and sometimes can show results which are not really usable because of how certain programs work with files and the possible conversion is thus actually not possible at all.
Apple macOS / Mac OS X software - convert cwk to csv on OS X
A database management program for Mac