Step 1: Create a New Email
Start a new email within Outlook.
Step 2: Drag Spam/Phishing Email and Drop in New Email
Drag the Spam/Phishing email from your list of emails and drop it into the new email. Address the email to email@example.com and put Reporting Spam/Phishing as the subject.
Step 3: Send the Email
Finally you should see the email you made with the spam/phishing email in the Attached section. Press Send to send the email.