How to forward an email message with full headers in Outlook?

Please follow below steps to forward an email with replacing the normal headers with the full headers in the forwarding email in Outlook.

1. In the "Mail" view, double click to open the email you will forward with a full header.

2. Now the email is opening in Message window. Please click the anchor  at the bottom-right corner of the" Tags "group on the "Message" tab. See screenshot:

3. And then the email’s Properties dialog box is opening. (1) Place the cursor into the "Internet Headers "box, (2) press "Ctrl" + "A" keys together to select all content in the box, (3) press "Ctrl "+ "C" keys together to copy the content, and then (4) click the "Close" button to close the dialog box. See screenshot:

4. Now you return to the Message window. Please click "Message" >" Forward". See screenshot:

5. In the forwarding email, please select the normal header in the message body, and then press "Ctrl" + "V" keys simultaneously to replace the normal header with copied full header. See screenshot:

6. Compose the forwarding email and send it. After sending, please close the original email.

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