Ask to update automatic links
Supported on: At least Windows Server 2008 R2 or Windows 7
Registry
HKCU
software\policies\microsoft\office\16.0\ms project\options\edit Value name: prompt for update links
Enabled: prompt for update links = 1
Disabled: prompt for update links = 0
Description
Prompts the user to update linked objects whenever they open a file containing OLE links, if the source has changed. If you enable this setting, users are prompted to update linked objects whose source has changed whenever they open a file containing OLE links. If you disable or do not configure this setting, the user's default setting is used.