How do I assign a certificate (Digital ID) to use in Outlook 2007

Assigning a certificate in Outlook 2007 is only slightly different from older versions. Previous versions set the certificate (Digital ID) in the Security tab under Tools –> Options. Outlook 2007 has a new menu item: Trust Center.

1. Click Tools, then Trust Center.
2. Then select E-mail Security.(See Figure 1)
3. Click on Settings to display the security settings.
4. Click Choose to set the certificate (Digital ID) to use for Signing and Encryption.(See Figure 2)
5. Finally click OK to save changes.

Note:
When composing an email:
— To digitally sign messages click the Red Ribbon.
— To encrypt a message click the Blue Ribbon.

Figure 1

Figure 2