When you set up a new PC in a home or small office, the Windows Setup program encourages you to use a Microsoft account. For most people, that’s the right choice, although you still have the option to sign in with a local account if you prefer.
If your PC is managed by your employer, and if your employer has paid for a Microsoft 365 Business account, you might have another option — signing in to Windows 11 with your business email address. That option might also apply if you’re self-employed, in which case you’re the user and the administrator. The advantages include having 1TB of OneDrive for Business online storage, with fine-grained control over file access and easy collaboration using Office apps. More importantly, that account allows you to use an email address in a custom domain, rather than settling for a generic Outlook.com address.
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But be warned, …