Share your movies from QuickTime Player on Mac
When you share your movie, QuickTime Player creates a version of the movie that’s optimized for how you choose to share.
In the QuickTime Player app
on your Mac, open the movie.Do one of the following:
Choose File > Share, then choose how you want to share your movie.
Click the Share and Playback Speed button
, choose Share, then choose how you want to share your movie.
If AirDrop isn’t listed, your Mac doesn’t support it.
Note: If you opened a movie stored on iCloud Drive, choose Share File from the pop-up menu to share the item with other iCloud users. See Use iCloud File Sharing to share folders and documents with other iCloud users.
To set up additional sharing options, click the Share and Playback Speed button , choose Share, click More, then select extensions for the Share Menu in the Extensions 
pane of System Preferences.