This will open a new dialogue box with a lot of HTML code in it. Right-click in the empty area and click on Inspect. Next step is to go to the email in which you wish to insert this signature. The default Mail or Outlook application don't support SVG signatures.4 - Go to “Create or Modify Signatures for Messages” 5 - Click Signature

If you want to add graphics to the signature on Outlook, you can follow a few steps: 1 - Go to File on Outlook.