Download and install the latest version of Filestar.
Right click on one or more Numbers file(s) on your desktop and select Convert with Filestar.
Type convert to ett in the search box.
Press Convert.
Or let an AI agent do it: filestarcli -i file.numbers -c "convert to ett" (how).
Let your AI agent convert Numbers Spreadsheet ('09) 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.
“Convert the Numbers Spreadsheet ('09) files in my Downloads folder to ETT”
Or run it yourself:
filestarcli -i file.numbers -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 Numbers Spreadsheet ('09) to ETT?
Yes. Install the Filestar CLI with npm install -g filestar and your agent can run filestarcli -i file.numbers -c "convert to ett" on your computer, so your files stay on it.
A Numbers '09 spreadsheet is a document from Apple's iWork '09 Numbers, stored as XML in a ZIP file, unlike the Protocol Buffers format of Numbers since 2013.
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.
