The easiest way to send a large video on Android is to share a link to the video file from Google Photos.

How to share large video files on Android Don't send a video directly through text message or a chat app—instead, share a link to a cloud-stored version.

Learn how to share high-quality videos from your Android device to your iPhone friends without losing resolution or quality.

To send video attachments on mobile, launch the Gmail app and click the paperclips icon to add a video attachment. You have three options here.

Easy steps to Send Email with Attachment on the Galaxy S20 using Gmail app Google also has an advanced email feature that can be used when sending emails with confidential attachments.