User Configuration > Administrative Templates > Microsoft Outlook 2016 > Account Settings > SharePoint Lists
User
HKCU\software\policies\microsoft\office\16.0\outlook\options\wss
By default, links to SharePoint lists are available on each client that the users use to connect to their Microsoft Exchange Server mailboxes. This setting allows you to disable roaming links to SharePoint lists. When roaming is disabled, SharePoint lists are available only on the client that originally linked them.