Single-use codes let you avoid using your password when you sign in to a public computer or other not-quite-secure device.
When you want this extra security, you request a code from the sign-in screen. We send you the code in a text message, then you use that code to sign in instead of your usual password, that one time.
Sorry, this service isn't available in all regions.
Go to the Microsoft website you want to sign in
to, like Outlook.com, OneDrive, Xbox.com, Office Online, Microsoft account
When you're asked to sign in, click
Sign in with a
Enter your email address and mobile phone number. If that mobile number hasn't been added to your account yet, learn how to add
it here: Security info & security codes.
Text me the
You'll get your code within a few minutes. If you've waited more than 15 minutes, click Don't have a code? to request another
Enter the code in the Single-use code box, then click Sign in.
If your code doesn't work, request a new code. If you've requested more than one code, use the most recent one. To prevent abuse of Microsoft services, we limit
the number of times you can request a code each day.
Email Microsoft support
Chat with Microsoft support
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