Click on the Choose button directly to the right of this heading. In the Certificates and Algorithms section of the Change Security Settings window, you should see the heading, Signing Certificate.The email in the certificate that you have installed on your computer must match the email address that you are using to sign. This is the certificate that you will use to digitally sign emails that you send out. In this window, you will see two Choose buttons under the Certificates and Algorithms section.įirst you will choose the signing certificate. A new window will appear named Change Security Settings.Click on the Settings button next to this field. Upon clicking on the E-mail Security button, in the right hand pane, you will see a drop down field next to Default Setting.Click on the E-mail Security option on the left hand pane. On the left hand side you shall see selectable options. A window named, Trust Center will appear.Click on the Trust Center Settings button on the bottom right hand side. The right side of the window will change.On the left-hand pane, click on the Trust Center button at the bottom of the list. A window entitled Outlook Options will appear.

On the left hand set of options, click on the Options button.Once Outlook is opened, click on the File tab at the top left.Once you have your Digital Certificate installed, you should open Outlook.Depending on the way that you receive your certificate, you may have to view another knowledge base article on how to install a Digital Certificate on your computer. First you must have your Digital Certificate installed on your computer.This document assumes that you have Outlook 2013 configured as your email client. When you are using Microsoft Outlook as your email client, you will need to first configure Outlook to use your certificate. If you have a Digital Certificate, you can use it to digitally sign and encrypt emails.

Add digital signature outlook