A quick a simple way to create a contact is to add the sender of a message to your contacts. The e-mail address and the certificate used to sign the message are automatically included when the contact entry is created.
Overwrite - to replace all fields in the existing contact entry with new contact entry information.
Merge - to replace only the fields in the existing contact entry that have changed.
Cancel - to cancel the action and leave the original contact entry information intact.
Contacts - Frequently Asked Questions