Microsoft has made the new Office Client Policy Service available as preview, and this is looking promising.
The solution is a cloud-based service that can enforce policy settings for Office 365 ProPlus on the office client. This is possible even if the device isn’t domain joined or otherwise managed.
The policy settings will be applied to whichever device the user signs into and uses Office 365 ProPlus. The solution includes many of the same user-based policy settings that are available when using Group Policy (GPO).
We need to be aware of the following: