1Engine loading…
Loading the in-browser Python engine (Pyodide + openpyxl, ~15 MB, cached after first visit).
2Data source
…or drop TACP_DataProvider_Master.xlsx here / click to choose the file
Whatever you load or edit autosaves in this browser only (never uploaded) and is offered again on your next visit.
☁Team workspace (shared online copy — versioned)
Publishing sends the workbook to the team store on this site (Cloudflare D1) so colleagues can load, edit and re-publish it — every publish is a new version, nothing is overwritten. Loading and editing stay in your browser until you publish.