The Microsoft Graph PowerShell SDK and the additionalProperties Property

The additionalProperties property is available for many Microsoft Graph PowerShell SDK cmdlets. In this article, we explain the function of the additionalProperties property and how it functions in holding output for Microsoft Graph PowerShell SDK cmdlets. It’s all because of the lack of strongly-typed properties, or so the AutoRest process would have us believe.

https://office365itpros.com/2026/04/21/additionalproperties-property/