When you receive a protected/encrypted message, verify that the sender is correct.  If you are unsure contact the sender (do not reply to message).

1. Hover over the Read Message icon and verify that URL is https://outlook.office365.com
2. Click on Read Message

Read Secure Message

3. When you click on Read Message, a browser window will open.   Once again verify that the address is https://outlook.office365.com.  When prompted, sign in with your email account to view the message

Sign in to view