1 • Check that your email client support HTML signature, not all email clients support them. Some support them on some devices and not other.

2 • If your email client support HTML signature then ESC signature will be working with this email client.

3 • If ESC is not on your device, have a look to the sharing signature first.

4 • Depending if your email client accept HTML code directly or Rich text format, use the Copy or Send HTML to Clipboard.