To sign in to Outlook on the web using your work or school account in Microsoft 365:

  1. Go to the Microsoft 365 sign-in page or to

  2. Enter the email address and password for your account.

  3. Select Sign in.

Note: To sign in to Microsoft 365 using another account, select Use another account the next time you sign in.

If you're signing in to Office 365 operated by 21Vianet (in China):

If you're trying to sign in with an, Hotmail, Live, or MSN email account, see How to sign in to or out of

Problems signing in or out?

To sign out of Outlook on the web:

  1. Select your account picture at the top of the screen.

    A screenshot of the profile picture button

    If you don't see your picture at the top of screen, check to see if ad blocking is turned on. Sometimes this prevents the picture from showing.

  2. Select Sign out.

To prevent Outlook on the web from signing you in to your work or school account automatically, clear the Keep me signed in check box the next time you sign in to Microsoft 365.

Need more help?

Expand your skills
Explore Training
Get new features first
Join Microsoft Insiders

Was this information helpful?

What affected your experience?

Thank you for your feedback!