Emoji are a handy way to communicate while texting, so it seems natural for emoji to make its way into email, too. The Mail 12 app in macOS Mojave now supports emoji, and the characters available are the same ones found in iOS.
Here’s how to add emoji into the emails you create using Mail 12.
How to add emoji in an email using macOS Mojave Mail 12
1. Create an email by clicking on the New Message button in the Viewer Window, or press Command-N.
2. At the upper right of the New Message window is the Emoji & Symbols button. It has a smiley face and is located between the Format and Photo Browser buttons. Click it.