Microsoft Office Tutorials and References
In Depth Information
If the Encrypt and Sign buttons are not displayed in the Permissions group on the Options
tab after you configure a digital certificate, or if you want to use a certificate other than
the default to sign or encrypt the message, you can manage these features in the Security
Properties dialog box.
You can choose from the configured security profiles.
To display the Security Properties dialog box, click the More Options dialog box launcher
on the Options tab of the message window, and then in the Properties dialog box, click
To digitally sign an individual email message:
▪ On the Options tab, in the Permission group, click the Sign button.
A message with a valid digital signature has a red ribbon on its message icon and a digital
signature icon (also a red ribbon) in its message header. When you receive a digitally signed
message, you can click the digital signature icon to view information about the signature.