View certificates - Microsoft Support (2024)

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

1. On the File tab, click Options.

2. In the left pane, click Trust Center.

   In the right pane click Trust Center Settings.

3. In the left pane, click Email Security.

4. Under Encrypted e-mail, click Settings.

5. Under Certificates and Algorithms, click Choose.

6. Click the certificate that you want, and then click View Certificate.

View certificates on received messages

1. In the email message, click or on the Signed By line.

2. Click Details.

   See Also

   How To Check SSL Certificates and Stay SecureHow to Check SSL Certificates (SSL Check) | VenafiSet up certificates - Chrome Enterprise and Education HelpPowerShell Get Certificate Details with Examples - ShellGeek

3. Click Signer or Encryption Layer, and then click View Details.

4. To see details about the certificate, click View Certificate.