Convert wk3 to et

Download and install the latest version of Filestar.
Right click on one or more Wk3 file(s) on your desktop and select Convert with Filestar.
Type convert to et in the search box.
Press Convert.

Or let an AI agent do it: filestarcli -i file.wk3 -c "convert to et" (how).

Let your AI agent convert WK3 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

Or add it in one click:

Claude Code:

claude mcp add filestar -- npx -y [email protected] mcp

Then ask your agent:

“Convert the WK3 files in my Downloads folder to ET”

Or run it yourself:

filestarcli -i file.wk3 -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 WK3 to ET?

Yes. Install the Filestar CLI with npm install -g filestar and your agent can run filestarcli -i file.wk3 -c "convert to et" on your computer, so your files stay on it.

Using Filestar With AI Agents → · Download SKILL.md

What is the difference between .wk3 and .et?

Name: Lotus 3 Worksheet; Kingsoft Spreadsheets File
Extension: .wk3; .et
Format: Binary; Binary
Category: Spreadsheet; Spreadsheet
Developer: IBM; Kingsoft
Description: Lotus 3 Worksheet (WK3) is a spreadsheet file format used by the Lotus 1-2-3 software. It stores tabular data and formulas in rows and columns and is used for data analysis and calculations.; 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/vnd.lotus-1-2-3; application/kss
Sample: sample.wk3
Wikipedia: .wk3 on Wikipedia; .et on Wikipedia

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