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.

External Identity in Azure AD and B2X user flows

Govern access for external users in entitlement management

Authentication and Conditional Access for B2B users - Microsoft

Tutorial - multifactor authentication for B2B - Microsoft Entra

Mandatory one-time password is coming, are you ready? – Set

Enable Azure B2B Integration with OneDrive and SharePoint Online

Govern access for external users in entitlement management

Exam SC-300 topic 1 question 3 discussion - ExamTopics

What Is Microsoft Azure AD B2B?

Tutorial - multifactor authentication for B2B - Microsoft Entra