1. Go to your account’s home page.
2. In the upper right corner, click on your avatar and select the option
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My Settings (if you are an Enterprise Admin, you can change the default signature appearance settings for your enterprise by selecting Enterprise Settings and following the next steps).
3. In your settings, select the option
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Signatures on the left of your screen.
4. In the “Signature” settings, stay on the
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Signature Appearance tab.
5. Scroll all the way down to the bottom. Under
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Signature Appearance
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Design you can edit the design of your signature.
6. Click
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Save at the bottom.