check before: 2026-04-01
Product:
Entra, OneDrive, SharePoint
Platform:
Online, US Instances, Web, World tenant
Status:
In development
Change type:
Links:
Details:
OneDrive and SharePoint will use Microsoft Entra B2B as the invitation and authentication method for external users, replacing the legacy SharePoint One Time Passcode (SPO OTP) experience. External sharing will automatically create B2B guest accounts in your directory, delivering consistent external collaboration across Microsoft 365, stronger guest identity management, and modern security aligned with Microsoft Entra standards.
Change Category:
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Scope:
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Release Phase:
General Availability, Preview, Targeted Release
Created:
2026-03-27
updated:
2026-03-27
Public Preview Start Date
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Docu to Check
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MS workload name
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summary for non-techies**
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Direct effects for Operations**
User Authentication Issues
Transitioning to Microsoft Entra B2B without preparation may lead to authentication failures for external users, causing delays in access to shared resources.
- roles: IT Support, External Users
- references: https://techcommunity.microsoft.com/t5/microsoft-sharepoint-blog/introducing-microsoft-entra-b2b-integration-for-external/ba-p/3651230
Increased Support Tickets
Users may face difficulties in the new authentication process, leading to a surge in support requests and impacting IT resources.
- roles: IT Support, End Users
- references: https://techcommunity.microsoft.com/t5/microsoft-sharepoint-blog/introducing-microsoft-entra-b2b-integration-for-external/ba-p/3651230
Data Access Delays
External users may experience delays in accessing shared documents due to the new account creation process, affecting collaboration timelines.
- roles: Project Managers, External Users
- references: https://techcommunity.microsoft.com/t5/microsoft-sharepoint-blog/introducing-microsoft-entra-b2b-integration-for-external/ba-p/3651230
Configutation Options**
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Opportunities**
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Potentional Risks**
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IT Security**
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explanation for non-techies**
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** AI generated content. This information must be reviewed before use.
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Last updated 2 weeks ago ago
