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Retirement of SharePoint One-Time Passcode (SPO OTP) and transition to Microsoft Entra B2B guest accounts [MC1243549]
Message ID: MC1243549 [Introduction]We are retiring SharePoint One‑Time Passcode (SPO OTP) authentication in OneDrive and SharePoint starting July 2026. Beginning in May 2026, new external sharing invitations and authentication will start using Microsoft Entra B2B instead of SPO OTP. This…
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