SharePoint and OneDrive integration with Azure AD B2B

This article describes how to enable Microsoft SharePoint and Microsoft OneDrive integration with Microsoft Entra B2B.

Microsoft Entra B2B provides authentication and management of guests. Authentication happens via one-time passcode when they don't already have a work or school account or a Microsoft account.

With SharePoint and OneDrive integration with Azure B2B Invitation Manager enabled, Azure B2B Invitation Manager can be used for sharing of files, folders, list items, document libraries and sites with people outside your organization. This feature provides an upgraded experience from the existing secure external sharing recipient experience. Additionally, Azure B2B Invitation Manager one-time passcode feature allows users who don't have existing Work or School accounts or Microsoft Accounts to not have to create accounts to authenticate, but can instead use the one time passcode to verify their identity.

Enabling this integration doesn't change your sharing settings. For example, if you have site collections where external sharing is turned off, it will remain off.

Once the integration is enabled you and your users don't have to reshare or do any manual migration for guests previously shared with. Instead, when someone outside your organization clicks on a link that was created before Microsoft Entra B2B integration was enabled, SharePoint will automatically create a B2B guest account. This guest account is created for the user who originally created the sharing link. (If the user who created the link is no longer in the organization or no longer has permission to share, the guest won't be added to the directory and the file will need to be reshared.)

SharePoint and OneDrive integration with the Microsoft Entra B2B one-time passcode feature is enabled by default for new tenants.

Advantages of Microsoft Entra B2B include:

• Invited people outside your organization are each given an account in the directory and are subject to Microsoft Entra ID access policies such as multi-factor authentication.
• Invitations to a SharePoint site use Microsoft Entra B2B and no longer require users to have or create a Microsoft account.
• If you've configured Google federation in Microsoft Entra ID, federated users can now access SharePoint and OneDrive resources that you've shared with them.
• SharePoint and OneDrive sharing is subject to the Microsoft Entra organizational relationships settings, such as Members can invite and Guests can invite. As with Microsoft 365 Groups and Teams, if a Microsoft Entra organizational relationship setting is more restrictive than a SharePoint or OneDrive setting, the Microsoft Entra setting will prevail.

To enable SharePoint and OneDrive integration with Microsoft Entra B2B

1. Download the latest SharePoint Online Management Shell.

    Note

   If you installed a previous version of the SharePoint Online Management Shell, go to Add or remove programs and uninstall "SharePoint Online Management Shell."

2. Connect to SharePoint as a Global Administrator or SharePoint Administrator in Microsoft 365. To learn how, see Getting started with SharePoint Online Management Shell.

3. Run the following cmdlets:

   PowerShell

   Set-SPOTenant -EnableAzureADB2BIntegration $true
   

You can disable the integration by running 'Set-SPOTenant -EnableAzureADB2BIntegration $false'.