How do I email large files from my iPhone?
How to send large email attachments from the Files app on iPhone and iPad
Launch Mail from your Home screen.Tap the Compose button on the bottom right corner of your screen to start a new email.Touch-and-hold to bring up the editing menu on iPhone. ( ... Tap the arrow button to get more options.Tap Add Document. How do I email a file that is too large on iPhone? We've touched on this already, but Google Drive is a must-mention for sending large video files on iPhones.