Create or choose the GIF you want to use
Keep the file size reasonable for email delivery
Open your email compose window
Click the insert image or attach file option
Select the GIF file from your device
Wait for the GIF to upload completely
Check that the GIF appears animated in the email editor
Place the GIF where you want it in the message
Add any surrounding text if needed
Send a test email to confirm the GIF displays correctly
Send the final email after verifying compatibility