- Begin a new email
- In the Message menu, click "Attach Item"
- Click "Outlook Item"
- Find the message you would like to forward in your mailbox
- Ensure that "Insert as Attachment" is selected on the right-hand side
- Click "Okay"
- Fill out the rest of your email as desired and press send
Send Email as an Attachment from Outlook on a Windows Computer
How to create an attachment in Outlook of an existing email for use in a new email from a Windows computer.