Compress the video file before attaching it
Trim the video to reduce file size
Convert the video to a smaller format such as MP4
Use a cloud storage service and share a download link
Upload the video to a file-sharing service and send the link
Use a transfer service designed for large files
Split the video into smaller parts if needed
Check the email provider’s attachment size limit
Make sure the recipient can access the shared file
Send a test link before sending the final email