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 xlc in the search box.
Press Convert.
Or let an AI agent do it: filestarcli -i file.numbers -c "convert to xlc" (how).
Let your AI agent convert Numbers Spreadsheet ('09) to XLC
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 XLC”
Or run it yourself:
filestarcli -i file.numbers -c "convert to xlc"
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 XLC?
Yes. Install the Filestar CLI with npm install -g filestar and your agent can run filestarcli -i file.numbers -c "convert to xlc" 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.
XLC is a chart file type created by Microsoft Excel, a spreadsheet program. It is a graphic representation of data in a spreadsheet. XLC files contain graphic information that can be used to create a chart from the data.
