Convert AppleWorks/ClarisWorks Spreadsheet to et

  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 et in the search box.

  4. Press Convert.

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

Let your AI agent convert AppleWorks/ClarisWorks Spreadsheet to ET

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 ET”

Or run it yourself:

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

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 ET?

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

Using Filestar With AI Agents →

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

Extension
.cwk
.et
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.
It is a file that stores lessons data like texts, images, layouts, themes, navigations, and animations. It is mainly used by teachers to deliver lessons on an interactive interface. It is developed by Easiteach.
MIME Type
application/clarisworks
application/kss

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