Do not show unread message count on Windows Welcome screen
Supported on: At least Windows Server 2008 R2 or Windows 7
Registry
HKCU
software\policies\microsoft\office\16.0\outlook Value name: dontupdatefriendlylogon
Enabled: dontupdatefriendlylogon = 1
Disabled: dontupdatefriendlylogon = 0
Description
By default, Windows queries Outlook for the unread message count for users and displays the result on the Windows Welcome screen. By enabling this setting, you can change this behavior so that Windows does not provide this feature on the Welcome screen.