ADMX Viewer
outlk16.Office.Microsoft.Policies.Windows• User

Always use TNEF formatting in S/MIME messages

This policy setting allows you to specify the formatting when sending S/MIME messages. If you enable this policy setting, Outlook always uses TNEF formatting when sending S/MIME messages. If you disable or do not configure this policy setting, Outlook uses the format specified by the user when sending e-mail messages, including when sending S/MIME messages.

Policy Details

Policy Name
L_OutlookTNEFinSMIMEmessages
Registry Key
software\policies\microsoft\office\16.0\outlook\security
Value Name
forcetnef
Supported On
At least Windows Server 2008 R2 or Windows 7
Policy State Values
Enabled: 1
Disabled: 0
Available Languages
en-us