how to add a digital signature in your email outlook

This is not needed for the S/MIME extension, and can be enabled or not at your discretion. Once the add-in says it's installed, you can close this tab.

A new tab will open that will take you to the Microsoft Store Add-in for S/MIME.

To install the extension, click here.' Select Click here.

Back in the message window, there will be an inline pop-up that says 'You can't sign or encrypt this message until the S/MIME extension is installed.In the 'Message options' dialog box, check the box for 'Digitally sign this message (S/MIME)'.In that menu, choose Show message options. In the new message window, click the three horizontal dots to the right of 'Discard'. Open Edge, and log into Outlook on the web.This process is easy to do, but does have to be done in stages that seem to repeat themselves, though they will produce different results at each stage. Outlook on the web, you need to use Microsoft Edge as your browser. If not, you will need to follow the instructions for the 'Import your certificate' and 'Use your certificate with Outlook' sections in Disable your client certificate before you will be able to use the certificate with Outlook on the web. This document assumes that you have already published your S/MIME client certificate to the Global Address List as described in Disable your client certificate.

How to add a digital signature in your email outlook