Outlook 2016 for Mac/Outlook 2011

To view the source

1.Right-click the message within your folder listing.

2.Select "View Source" from the drop-down menu. A window will open showing the header information of the selected message.

To forward a message as an attachment

1.Click HOME tab.

2.Select Message.

3.Click the "Attachment" button from within the ribbon bar to forward the message as an attachment.