SharePoint OTP Retirement: Why External Users See Access Denied and How to Fix It (2026)
SPO OTP retirement is breaking external SharePoint access now. Find exposed guests, bulk-create Entra B2B accounts, and fix Conditional Access before 31 August.SPO OTP retirement is breaking external SharePoint access now. Find exposed guests, bulk-create Entra B2B accounts, and fix Conditional Access before 31 August.