Write a protected email (using Policy Templates) for Outlook 2016 for Mac

Please refer to the following procedure to compose email with protection using "Do Not Forward".

1. In Microsoft Outlook, click "Home" -> "New Email" to open a new window to compose email.
   
    
2. In the New Email window, click "Option" ribbon.
   
    
3. Click the arrow down button under "Permission" and then choose the permission to set.
    - "Unrestricted Access" is the default option for any newly created message.
    - "Do Not Forward" protects a message and allows recipients to read protected messages, but it restricts recipients from forwarding, printing, and copying the contents of the message.
   
    
4. A header message will appear on the top of the composed message specifying that the permission has been setup.
    
    
5. You can continue to compose the message and send out after complete.
    
6. If your attachment contains Microsoft Office file without any protection, policy configured to the email message will be applyed to attachment(s) automatically.
   The list of files supported can be found in https://support.office.com/en-us/article/File-formats-that-work-with-IRM-d5d82a8e-e257-4518-a282-6ed0ae13eb63.