I degoogled to Proton mail initially. I didn’t like that I couldn’t search my emails (a security thing or something? But annoying) and then their Drive was absolutely useless on macos. I had about 100gb and it couldn’t sync even half of it.
After much help from support I eventually moved away to a combo of Fastmail, Mega and OnlyOffice.
Too many round corners and watching it this morning they’ve made a mess of their on screen graphics. There’s a weird space in the bottom right and crappy orange gradients make it look like commercial tv… Was that the point?