Turns out Microsoft didn’t truly kill off local accounts in Windows 11—and thank goodness, because you’d otherwise be out of luck if you have no internet.

Note: There are some features of Windows 11 and its connected apps that require an online Microsoft account, so you may not be able to use them without logging in with a different account first ...

The Windows 11 out-of-the-box experience prompts you to sign into Windows with a Microsoft account, but you can skip it in a few steps.

How to get started with Windows’ free ‘new Outlook’ app With the new Outlook, Microsoft is replacing the Calendar, Contacts, and Mail apps in Windows 10 and Windows 11 as well as in macOS.

If you cannot add an account in the new Outlook in Windows 11/10, enable the account for New Outlook, clear the local Outlook state, etc.