If you want to add a mailto link in your Outlook signature, please read this post. Outlook allows you to add a lot of information in your signature, including a ...

IT STAFF / ADVANCED: Learn how to enable digital signatures with Outlook on the web (outlook.office.com), and how to sign and encrypt messages, and how to send. Learn more about Outlook on the web - ...

The browser being used for accessing Outlook on the web also must have the S/MIME extension installed. If it is not, you will see a message like one of the following: "The digital signature on this ...