User Configuration > Administrative Templates > Microsoft Office 2016 > Miscellaneous
User
HKCU\software\policies\microsoft\office\16.0\common
This policy setting will prevent LinkedIn features from appearing in the Office applications. If you enable or do not configure this policy, users will be able to leverage LinkedIn data and resources from a variety of locations within the Office applications. If you disable this policy setting, LinkedIn features will not be available. Note: This policy setting only applies to subscription versions of Office, such as Microsoft 365 Apps for enterprise, and to subscription versions of Project and Visio.