Prospective MS 365 Business Basic buyer has some questions.

G’day 🙂

As a self-employed person, I’m looking to move my custom domain from Google Workspace to another email host, and am attracted by the 1TB of cloud storage that would make Microsoft 365 Business Basic Compare All Microsoft Office Products | Microsoft Office a good deal for me, since I need both hosted email + calendar + contacts, and cloud storage, anyway. I don’t really care about the Office web apps – and aren’t they free, anyway?

But I do have a few of queries before I pull the trigger:

Will there be any issue buying the above plan with a pre-existing MS account registered with an email address of the current domain I want to move over?

Can I add additional custom domains later, without buying additional Exchange mailboxes?

Do I get any useful import tools to easily move my email, calendar, reminders, tasks, and contacts over from Google Workspace?

TIA 🙂