Turn off revision tracking
Supported on: At least Windows Server 2008 R2 or Windows 7
Registry
HKCU
software\policies\microsoft\office\16.0\powerpoint\coauthoring Value name: disablerevisiontracking
Enabled: disablerevisiontracking = 1
Disabled: disablerevisiontracking = 0
Description
This policy setting allows you to turn off revision tracking in PowerPoint. By default, revision tracking is on in presentations where revision tracking is supported. If you enable this policy setting, revisions made to a presentation aren’t tracked or shown. If you disable or don’t configure this policy setting, revisions made to a presentation are tracked and shown.