Why is my screen sharing lagging in a Teams meeting?

Restart your computer:
Shutting down and restarting your computer can help improve any connectivity issues you may be having.
Check the quality of your internet connection:
Check that you have a strong, stable connection with enough bandwidth for video and audio playback.
Use the latest version of Microsoft Teams:
The latest version of Teams is the most up-to-date version and can help ensure your meeting experience is better.
Close other applications:
Closing any applications running in the background can help reduce any lag in screen sharing.
Lower your screen sharing resolution:
Lowering the resolution of your screen sharing can reduce lag when sharing video, audio, or the entire screen.