Policy
Hide all Office-provided templates on the Office Start screen and in File | New
This policy setting controls whether Office-provided templates (from Office.com and shipped with the Office clients) are hidden on the Office Start screen and in File | New. If you enable this policy setting, users will not see any Office provided templates on the Office Start screen nor in File | New. If you disable or do not configure this policy setting, users will see Office provided templates on the Office Start screen nor in File | New. Note - enabling this policy setting does not prevent users from downloading templates from Office.com using their Web browsers and does not prevent users from using Office-provided templates installed on their hard drive using Windows Explorer to launch those templates.
bb70cd0bbe1b L_DisableOfficeTemplates Registry
Copy registry mappings
HKCU\software\policies\microsoft\office\16.0\common\general\disableofficetemplates (enabled) = 1
HKCU\software\policies\microsoft\office\16.0\common\general\disableofficetemplates (disabled) = 0Policy notes
This policy setting controls whether Office-provided templates (from Office.com and shipped with the Office clients) are hidden on the Office Start screen and in File | New. If you enable this policy setting, users will not see any Office provided templates on the Office Start screen nor in File | New. If you disable or do not configure this policy setting, users will see Office provided templates on the Office Start screen nor in File | New. Note - enabling this policy setting does not prevent users from downloading templates from Office.com using their Web browsers and does not prevent users from using Office-provided templates installed on their hard drive using Windows Explorer to launch those templates.