Feel free to spin in your chair while you wait Keep your email subject line short and attention-grabbing. Get creative with emojis in email subject lines to increase open rates! Try different email subject line styles to find what gets the most opens. Don’t make ‘em yawn! Keep your emails exciting and brief. Boost your email opens with a punchy subject line. Don’t forget to add a short preview description to encourage people to click on your email. Sit up straight.