Unlicensed OneDrive

Hello JH,

Thank you for reaching out to Microsoft Support!

You can use the List users endpoint to list unlicensed users as follows:

However, other types of unlicensed OneDrive accounts are not listed, so it is recommended that you Get reports on unlicensed OneDrive accounts in the SharePoint admin center.

Reports can also be obtained through the Graph Api, but there is no endpoint to implement this functionality, see the documentation for details.

https://graph.microsoft.com/v1.0//users?$filter=assignedLicenses/$count eq 0&$count=true&$select=displayName,assignedLicenses
ConsistencyLevel: eventual

Hope this helps.

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You can get the list of ODFB site (collections) via the LIST sites method (requires app permissions), then correlate it to the list of licensed users. There's also a built-in report within the SPO admin center, but unfortunately Microsoft has not exposed any method to get to it programmatically.