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 ots in the search box.
Press Convert.
Or let an AI agent do it: filestarcli -i file.numbers -c "convert to ots" (how).
Let your AI agent convert Numbers Spreadsheet ('09) to OTS
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 OTS”
Or run it yourself:
filestarcli -i file.numbers -c "convert to ots"
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 OTS?
Yes. Install the Filestar CLI with npm install -g filestar and your agent can run filestarcli -i file.numbers -c "convert to ots" 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.
OpenDocument Spreadsheet Template (OTS) files are template files used for creating spreadsheet documents using the OpenDocument format. OTS files contain a pre-defined set of data and styles that can be used to quickly create a spreadsheet, such as a price list or accounting ledger. The OTS format is supported by many spreadsheet programs, including OpenOffice, LibreOffice, and Microsoft Office.
