How to make a banner clickable?

You can make the banner clickable by adding a link to it.

Step 1. 

Find the Images tab on the left side of the editor.

Step 2. 

Go to the Banner section. 

Step 3. 

Paste the link into the field next to the Add link tab.

Step 4. 

Save the changes by clicking Save signature.

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How to add a banner to your signature?
How to make your photo/logo clickable in the email signature?