Download and install the latest version of Filestar.
Right click on one or more Cwk file(s) on your desktop and select Convert with Filestar.
Type convert to xls in the search box.
Press Convert.
Or let an AI agent do it: filestarcli -i file.cwk -c "convert to xls" (how).
Let your AI agent convert AppleWorks/ClarisWorks Spreadsheet to XLS
Claude Code, Codex, Cursor and other agents can do this on your computer with Filestar. Your files stay on your machine. It works on Windows, macOS only.
Install Filestar and add it to your agents:
npm install -g filestar
filestarcli agent install
Then ask your agent:
“Convert the AppleWorks/ClarisWorks Spreadsheet files in my Downloads folder to XLS”
Or run it yourself:
filestarcli -i file.cwk -c "convert to xls"
Runs on your computer, so your files stay on it. Works on Windows and macOS. 50 free conversions with the npm install, no account needed.
Can my AI agent convert AppleWorks/ClarisWorks Spreadsheet to XLS?
Yes. Install the Filestar CLI with npm install -g filestar and your agent can run filestarcli -i file.cwk -c "convert to xls" on your computer, so your files stay on it.
A CWK file is a text document created by ClarisWorks or AppleWorks, two office suites released by Apple for Mac and Windows operating systems. It contains text, images, and formatting and can be opened with the ClarisWorks or AppleWorks word processor.
An XLS file is a spreadsheet file created by Microsoft Excel or exported by another spreadsheet program, such as OpenOffice Calc or Apple Numbers. It contains one or more worksheets, which store and display data in a table format. XLS files may also store mathematical functions, charts, styles, and formatting.
