Minimize Outlook to the system tray
Supported on: At least Windows Server 2008 R2 or Windows 7
Registry
HKCU
software\policies\microsoft\office\16.0\outlook\preferences Value name: mintotray
Enabled: mintotray = 1
Disabled: mintotray = 0
Description
Checks/Unchecks the Outlook system tray icon option "Hide When Minimized".