Get creative with emojis in email subject lines to increase open rates! “Everything I have designed has a crisp professional look and feel. Love this service” - Cameron Feel free to spin in your chair while you wait Don’t forget to add a fun, relevant call-to-action button to your email. Opening the door to unlimited creativity… Try different email subject line styles to find what gets the most opens. Keep your email subject line short and attention-grabbing. 51% of emails are opened on mobile devices - don’t forget to check the mobile preview for your email!