Microsoft Entra External IDSign in with alias
In brief
Learn how to sign in and sign up with alias/username with External ID for customer identity and access management (CIAM). Get detailed steps to enable username as a sign-in identifier and create users with both email address and username.
What Entra admins need to know
Review the documentation change to determine whether it affects tenant configuration, security posture, or rollout plans.
This editorial summary was generated by AI from the documentation changes. Verify important details in the full Microsoft Learn article.
Documentation change
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title: Sign in with alias
description: Learn how to sign in and sign up with alias/username with External ID for customer identity and access management (CIAM). Get detailed steps to enable username as a sign-in identifier and create users with both email address and username.
manager: dougeby
ms.service: entra-external-id
ms.subservice: external
ms.topic: how-to
@@ -1,7 +1,6 @@ --- title: Sign in with alias description: Learn how to sign in and sign up with alias/username with External ID for customer identity and access management (CIAM). Get detailed steps to enable username as a sign-in identifier and create users with both email address and username. -manager: dougeby ms.service: entra-external-id ms.subservice: external ms.topic: how-to