Sadly I do not believe it will work in office for web due to size limits. https://learn.microsoft.com/en-us/microsoft-365/cloud-storag...

Interestingly it could fit within Powerpoint for the web's limits (my guess is that's intended for images).

I have considered a pure browser implementation https://github.com/ianand/spreadsheets-are-all-you-need/issu...