(Updated) Retirement of SharePoint One-Time Passcode (SPO OTP) and transition to Microsoft Entra B2B

SharePoint One-Time Passcode (SPO OTP) is being deprecated and transitioned to Microsoft Entra B2B for external sharing, impacting admin and end users.

“Services: SharePoint Online, Microsoft OneDrive. <p>Updated October 1, 2026: Phase 1, which enables Entra B2B for new external sharing, is now fully rolled out for Production environments. To ensure a smooth transition, Phase 2, the retirement of SharePoint Online OTP, has been rescheduled to begin in mid-October 202…”

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Identity

federation

Security

endpoint_securitycloud_security

Audience

adminend_user

Environment

cloud

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