How to Restrict OneDrive & SharePoint to PC's Joined to Specific Domains

You may have a lot of sensitive data in your organizations Office 365 Tenant. Staff and Employees are all too willing to sync this data to their personal computers that you have no control over. Microsoft has given us a way to restrict this access to only computers that are joined to specific domains, where you can set rules through group policy or whichever directory management software.
Keep in mind that this only disables sync, users will still be able to browse and download these files through a web browser. To restrict this, you will need to limit IP addresses or even utilize Conditional Access.
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