I was in a Teams meeting recently, where someone added a version of our company logo as a reaction to a message. I’d never seen that before, and I was intrigued.

A little Googling later, and the AI Overview gave me my answer:

“To create custom emoji teams in Microsoft Teams, you need to upload images or GIFs as custom emojis, which can then be used by all members of your organization. This involves selecting the “Emoji, GIFs and Stickers” option in the message box, navigating to “Your org’s emoji,” and then choosing “Add emoji” to upload your custom content.”

This is what it looks like (though the screen grab has removed my cursor!)

And then…

You can read more about managing custom emoji in Teams, in the Microsoft support article on Use Custom Emoji in Microsoft Teams.