One-time passcode authentication for B2B guest users - Microsoft Entra External ID

How to use Email one-time passcode to authenticate B2B guest users without the need for a Microsoft account.

Scary Azure AD Tenant Enumeration… Using Regular B2B Guest

Manage Self-service Sign-up for Guests in Microsoft Entra

New Azure AD External Identities Features

Tutorial - multifactor authentication for B2B - Microsoft Entra

What Is Microsoft Azure AD B2B?

Organisation security with Microsoft Entra ID (Azure Active

MAU billing model for Microsoft Entra External ID - Microsoft

Tutorial - multifactor authentication for B2B - Microsoft Entra

Quickstart: Add a guest user and send an invitation - Microsoft

Quickstart: Add a guest user and send an invitation - Microsoft