Part 2: How to Deal with Large Video Files before Sending.Part 1: What Is the Maximum Size of an Email Attachment?.This post will show you how to send large video files via Gmail, Outlook, and iCloud Mail Drop. However, that does not mean that you cannot share large video files with email. The file size of a video can quickly exceed 25MB, which is the maximum of email attachment for most mainstream email providers. Sending large video files as email attachment is not as straightforward as you might think.
