Heck, we saw a Show HN of a direct excel competitor for much larger spreadsheets that churns through them like if its nothing, made by former Amazon S3 engineers:
Maybe I’ll go for it in 10 years once MS forces Excel to subscription only licenses and all the current perpetual options are EoL, but until then I’d rather own my data and tools.
https://www.microsoft.com/en-us/microsoft-365/p/office-home-...
https://techcommunity.microsoft.com/t5/microsoft-365-blog/up...