Convert AppleWorks/ClarisWorks Spreadsheet to ett

  1. Download and install the latest version of Filestar.

  2. Right click on one or more Cwk file(s) on your desktop and select Convert with Filestar.

  3. Type convert to ett in the search box.

  4. Press Convert.

  5. Or let an AI agent do it: filestarcli -i file.cwk -c "convert to ett" (how).

Let your AI agent convert AppleWorks/ClarisWorks Spreadsheet to ETT

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 ETT”

Or run it yourself:

filestarcli -i file.cwk -c "convert to ett"

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 ETT?

Yes. Install the Filestar CLI with npm install -g filestar and your agent can run filestarcli -i file.cwk -c "convert to ett" on your computer, so your files stay on it.

Using Filestar With AI Agents →

What is the difference between AppleWorks/ClarisWorks Spreadsheet and .ett?

Extension
.cwk
.ett
Format
Binary
Category
Document
Spreadsheet
Developer
Claris/Apple
Kingsoft
Description
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.
Kingsoft Spreadsheets ett files are template files used by Kingsoft Spreadsheets, a spreadsheet program for Windows. They are used to save styles, settings, and other data that can be reused in new documents. They contain document-specific information such as fonts, page settings, and formatting.
MIME Type
application/clarisworks
application/vnd.ms-works

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