Do not allow horizontal calendar view
Supported on: At least Windows Server 2008 R2 or Windows 7
Registry
HKCU
software\policies\microsoft\office\16.0\outlook\options\calendar Value name: disablehorizontalcalendar
Enabled: disablehorizontalcalendar = 1
Disabled: disablehorizontalcalendar = 0
Description
This policy setting allows you to prevent horizontal calendar view. If you enable this policy setting, horizontal calendar view is not allowed. If you disable or do not configure this policy setting, horizontal calendar view is allowed.