- Go to the Office 365 sign-in page or to Outlook.com.
- Enter the email address and password for your account.
- Select Sign in.
Note: To sign in to Office 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 Outlook.com, Hotmail, Live, or MSN email account, see How to sign in to or out of Outlook.com.