Videos are uploaded from a stored folder on your computer.
Video must be MP4 files and must be less than 15MB.
Additionally, the ideal size is 468px wide 350px tall or larger at a ratio of 4:3.
Click the message part Video. Double click in the video box to take you to your Drive, choose your video, Open. Wait for it to upload and finish.
On Messenger if the user has a lot of battery left on their mobile phone it may auto play muted, however we have no control over this. Unfortunately we also have no way to determine if a user plays the video, pauses it, or watches it the whole way through.
*Video files are served from Facebook’s servers.