Training: Sign in to office.com with your Microsoft personal, work, or school account. Watch this video to learn how.
Use your Microsoft account to sign in to Microsoft services like Windows, Microsoft 365, OneDrive, Skype, Outlook, and Xbox Live.
What happens if I sign out of Microsoft 365 or Office? If you sign out, your apps will be deactivated. You can view and print files, but not create or edit files, until you sign back in. To learn more, see What happens when you sign out of Office. If I share Microsoft 365 Family, how does signing in work?
Microsoft always keeps an eye out for unusual sign-in activity, just in case someone else is trying to get into your account. If you're travelling to a new place or using a new device, we might ask you to confirm that it really is you.
If you can't sign into your Microsoft account, use the sign-in helper to identify the problem. How to use the Microsoft account sign-in helper The tool will ask you to enter the email address or mobile phone number you're trying to sign in with and check the details you provide. If it detects a problem with your account, we'll tell you what you need to do to solve the problem. If the tool ...
Learn how to fix problems signing into your Microsoft account. Resolve password verification, locked account, and other Microsoft account login issues.
Learn how to sign in to your Outlook or Hotmail mailbox using your Microsoft account.
Outlook on the web is the web-based version of Outlook used by organizations and it's what you use to access the email, calendar, and contacts associated with your work or school account via a web browser. Your work or school account is typically assigned to you by someone in your organization.