These days there's a self-service panel on the Microsoft 365 sign-up/admin page once you've set up a tenant. I've not been asked for any formal business registr

These days there's a self-service panel on the Microsoft 365 sign-up/admin page once you've set up a tenant. I've not been asked for any formal business registration numbers via that process, but the old days of needing to acquire these licenses via a partner seem to be somewhat gone.