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mediumSharePointexternal sharingupdatelearn_sharepoint · May 9, 2026
Frequently Asked Questions: Improvements to external sharing in OneDrive and SharePoint - SharePoint in Microsoft 365
Microsoft is transitioning external user authentication in SharePoint from SharePoint Online OTP to Microsoft Entra B2B, which uses one-time passcode as the default method. This change affects how guests access SharePoint and OneDrive resources.
“Frequently Asked Questions: Improvements to external sharing in OneDrive & SharePoint - Retiring SPO OTP & Transition to ... External user authentication is transitioning from SharePoint Online (SPO) to Microsoft Entra B2B. Microsoft Entra B2B uses one-time passcode (OTP) as the default authentication method for gues…”
View original article →Identity
authenticationfederation
Security
identity_security
Audience
adminsecurity_engineer
Environment
cloudhybrid
Ontology Topics
AZ-500
Classification confidence: 95%
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