RM557682 - SharePoint: Entra B2B integration for external sharing in OneDrive & SharePoint

Microsoft 365 Roadmap

Status

In development

Release

General Availability
Preview
Targeted Release

Published

Mar 25, 2026

Platforms

Web

Service

OneDrive
SharePoint

Tag

In development
General Availability
Preview
Targeted Release
Worldwide (Standard Multi-Tenant)
GCC
GCC High
DoD

Cloud

DoD
GCC
GCC High
Worldwide (Standard Multi-Tenant)

Summary

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.

Description

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.

GA date: April CY2026

Preview date: May CY2026