Disable Internet Fax feature
Supported on: At least Windows Server 2008 R2 or Windows 7
Registry
HKCU
software\policies\microsoft\office\16.0\common\services\fax Value name: nofax
Enabled: nofax = 1
Disabled: nofax = 0
Description
This policy setting determines whether users can access the Internet Fax feature in Office 2016 applications. If you enable this policy setting, Office 2016 users cannot send Internet faxes, and the Internet Fax menu item is removed from the Send sub-menu of the Microsoft Office menu. If you disable or do not configure this policy setting, Office 2016 users can use the Internet Fax feature.