How to Send Large Files with Gmail
Log in to your Gmail account as you normally would.
Click on the Compose button and the Compose window will then appear.
Enter the details like the recipient’s email address, subject, and message of your choice. Then, click on the Google Drive icon at the bottom to attach large files to this email.
After clicking on the Google Drive icon, another window will be loaded. It will show all of your files that are currently being stored in the Google Drive. You may select and insert existing files from this Google Drive, or you can also choose to upload new files.
In order to upload new files to the Google Drive, click on the Upload link at the top. Then click on the Select files from your device and choose the files that you would like to send.
The selected files / uploaded files will then be added into your email. Click on the Send button and you’ve successfully sent large files with Gmail.