Sometimes I install Office 97 for kicks and marvel at how much I can do with it, yet it asks so little of my system. <2Mb RAM for Word 97!

Same, I used to use Office 2003 because it was so quick and the UI was exactly what you needed.

On later versions they had animated cursor positions which felt slow, the spellcheck squiglies were lethargic and menus convoluted.

That said, I've given up and mostly use Google Docs/Sheets now because of the features and cross platform support.