There are a number of possible explanations for why verification codes don't always arrive. Read through the list of the most common causes, and see if any of them apply to you, or use our …

If you’re using the text message or verification code from the mobile app notification option, make sure that you type the correct verification code, and then try again to sign in.

There are a number of possible explanations for why verification codes don't always arrive. Read through the list of the most common causes, and see if any of them apply to you.

Describes an issue in which an admin receives a "Sorry, our account verification system is having trouble" error message when the admin tries to sign in by using their work or school account. …

Error message "The account you're trying to add is not valid at this time" Please contact Support for personal accounts or reach out to your IT admin for work/school accounts.

Learn how to manage your Microsoft account security info and troubleshoot verification code issues.

If you have non-Microsoft accounts, such as for Amazon, Facebook, or Google, you can add them to Authenticator for two-step verification, or if your site or service supports adding an account …

In this article, we will help you find your error code and suggest what you might try to correct the error. Follow the recommended resolutions for that error code.

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If you don't see the Sign in another way link, it means that you haven't set up any other verification methods and that you'll have to contact your administrator for help signing into your account.