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 xltm in the search box.
Press Convert.
Or let an AI agent do it: filestarcli -i file.numbers -c "convert to xltm" (how).
Let your AI agent convert Numbers Spreadsheet ('09) to XLTM
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 XLTM”
Or run it yourself:
filestarcli -i file.numbers -c "convert to xltm"
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 XLTM?
Yes. Install the Filestar CLI with npm install -g filestar and your agent can run filestarcli -i file.numbers -c "convert to xltm" 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.
Template file created by Microsoft Excel, a spreadsheet program; contains default settings and layout properties for a macro-enabled spreadsheet.
