Use Google Drive
Upload the file to Google Drive
Right-click the file and select Share
Set the sharing permissions
Copy the shareable link
Paste the link into your Gmail message
Send the email
Compress the file into a ZIP or RAR archive
Attach the compressed file if it is within Gmail’s size limit
Split the file into smaller parts
Send each part in separate emails
Use Google Photos for large image files
Upload the images and share the link in Gmail
Use a file transfer service
Upload the file and email the download link through Gmail