User Configuration > Administrative Templates > Microsoft Word 2016 > Word Options > Advanced > E-mail Options
User
HKCU\software\policies\microsoft\office\16.0\common\mailsettings
This policy setting sets the “Advanced Typography” options found under Outlook’s File tab | Outlook Options | Mail | Editor Options | Advanced | Advanced Typography. If you enable or do not configure this policy setting, Advanced Typography features will be applied. This is the default behavior. If you disable this policy setting, Advanced Typography features will not be applied.