
To insert images stored on a web server, you need view the image code in a browser and copy it. You'll also need to use HTML message format (set in OWA's Options.) Check in the Options, Email Security section. Note: This method will not work if you have the S/MIME Control installed.

You can copy and paste to insert images into email too. Click Save.You can use the same method for images stored on web servers or HTML: open the image in a browser, select the image, copy, and paste. In the "S/MIME" window, uncheck Add a digital signature to all messages I send.


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.
