User Configuration > Administrative Templates > Microsoft Office 2016 > Security Settings
User
HKCU\software\policies\microsoft\office\16.0\common\security
This policy setting allows you to control whether Organization Chart (OrgChart) Add-in for Microsoft Office programs runs in Microsoft 365 apps. If you enable this policy setting, OrgChart will not run in any Microsoft 365 app. Instead, a static image will render in its place. If you disable this policy setting, OrgChart will run in Microsoft 365 apps. If you don't configure this policy setting, OrgChart will run in Microsoft 365 apps.