Outlook uses certificates in cryptographic email messaging to help keep communications secure. You can view your own certificates or those that you receive in email messages.
View your certificates
- On the File tab, click Options.
- In the left pane, click Trust Center.
In the right pane click Trust Center Settings. - In the left pane, click Email Security.
- Under Encrypted e-mail, click Settings.
- Under Certificates and Algorithms, click Choose.
- Click the certificate that you want, and then click View Certificate.
View certificates on received messages
- In the email message, click
or
on the Signed By line. - Click Details.
- Click Signer or Encryption Layer, and then click View Details.
- To see details about the certificate, click View Certificate.