I think the office 365 suit has been called Microsoft 365 for at least two years now.
[†] This is part that confuses me most about the new logo change: it's very much using the design language of Visual Studio projects and I don't think that is intentional to accidentally break the walls between Visual Studio branding and Office product branding, but I don't like it. It's nice having clearly different branding between developer tools and "productivity" tools.
If my brain was cloud compute you would still pay for those cycles.