Hello Chelsea,
Sure, I can help you with that. The animated thumbs-up and fireworks animation that you saw are live reactions in Microsoft Teams. Live reactions are a way to express yourself in meetings without interrupting the flow of conversation. You can use them to show your approval, excitement, or other emotions.
To use live reactions, you need to be using the latest version of Microsoft Teams on your mobile device. Once you're in a meeting, tap the React button in the meeting controls. A list of live reactions will appear. Tap the reaction you want to use, and it will pop up momentarily across your live video feed, or if your camera is turned off, across your profile picture.
To enable live reactions in Microsoft Teams, you can do the following:
In a meeting:
Click the Meeting controls button.
Click the React button.
Select the Allow reactions check box.
In the Teams admin center:
Go to Meetings > Meeting policies.
Select the policy that you want to edit.
Scroll to the Meeting engagement section.
Select the On or Off radio button for Reactions.
Click Save.
If you're using a mobile device, you can also enable live reactions in the Teams app settings. To do this, open the Teams app and go to Settings > General > Meetings. Under Live reactions, select the On or Off radio button.
To know more you can go to this link: https://support.microsoft.com/en-us/office/expr...
I hope this helps! Let me know if you have any other questions.
Kind regards,
Jayzar