When the email one-time passcode feature is enabled, newly invited users who meet certain conditions will use one-time passcode authentication. User experience for one-time passcode guest users You can also give email one-time passcode guest users a direct link to an application or resource by including your tenant information, for example. The user then types the name of your organization and continues signing in using one-time passcode.Įmail one-time passcode guest users can also use application endpoints that include your tenant information, for example: During the sign-in process, the guest user chooses Sign-in options, and then selects Sign in to an organization. If you don’t want to use this feature, you can disable it, in which case users will be prompted to create a Microsoft account instead.Įmail one-time passcode guest users can now sign in to your multi-tenant or Microsoft first-party apps by using a common endpoint (in other words, a general app URL that doesn't include your tenant context).

This feature provides a seamless fallback authentication method for your guest users. The email one-time passcode feature is now turned on by default for all new tenants and for any existing tenants where you haven’t explicitly turned it off.

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