How to Sync Azure AD Mobile Numbers to SharePoint Online Profiles
Question details
The user wants to find out if it is possible to synchronize mobile phone numbers from Microsoft Entra ID to SharePoint Online user profiles used by Delve.
- Product
- Microsoft SharePoint Online / Microsoft Entra ID
- Device & OS
- not provided
- Scenario
- Attempting to update user profiles in SharePoint Online and Delve using mobile phone numbers stored in Azure AD.
- Observed behavior
- There is no built-in feature to synchronize attributes that are not mapped by default between Azure AD and SharePoint Online.
Ensure you have Microsoft 365 administrative privileges and access to both Microsoft Entra ID and the SharePoint admin center before exploring custom synchronization methods.
Use a Custom CSOM PowerShell Script
Since there is no built-in sync feature, deploying a custom PowerShell script using the Client-Side Object Model (CSOM) is the standard workaround for unmapped attributes.
A CSOM PowerShell script can securely extract data from Microsoft Entra ID and push it into the SharePoint User Profile application.
Open a Microsoft 365 support ticket to consult the SharePoint Online development team and obtain a second technical opinion before running third-party synchronization scripts.
Install the SharePoint Online Management Shell and ensure you have the necessary CSOM libraries loaded in your PowerShell environment.
Execute a validated CSOM PowerShell script designed to read the mobile phone number attribute from Microsoft Entra ID and map it to the corresponding SharePoint Online user profile property.
Consult the Power Automate Community
While Logic Apps or Power Automate may not provide a completely reliable default solution, you can consult experts for custom workflows.
Submit a Feature Request via the Feedback Portal
Request native synchronization support for unmapped attributes directly from Microsoft.
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Frequently Asked Questions
Why don't Azure AD mobile numbers appear in Delve automatically?
SharePoint Online and Microsoft Entra ID (Azure AD) do not map all user attributes by default. Mobile phone numbers are currently treated as unmapped attributes, which means they require custom synchronization solutions to appear in Delve.
Can I use Power Automate to sync SharePoint user profiles?
While Power Automate and Logic Apps are powerful automation tools, Microsoft notes they may not provide a highly reliable out-of-the-box solution for syncing deep user profile attributes between Entra ID and SharePoint Online.
What is CSOM in SharePoint?
CSOM stands for Client-Side Object Model. It is a set of APIs provided by Microsoft that allows developers and administrators to interact with SharePoint data and user profiles from remote client applications, such as custom PowerShell scripts.
