Ask Gemini to write something, pick a format, and download the finished file; that's it. No switching apps, no reformatting, no copying.
If OneDrive is overwriting files with older versions, set the date and time correctly, reset OneDrive, Pause sync temporarily ...
Excel has quietly gained dynamic arrays, XLOOKUP, Power Query, and Python, yet many still work the old way.
Excel's Power Query lets you build report-level and table-level timestamps that update on refresh.