Processing runs after the upload completes and takes roughly as long as the video is large. If it has not finished after about fifteen minutes, send us the link and we will look at it.
Links expire: 7 days without an account, 30 days on a free account, 365 days on Pro. Expired videos are deleted rather than hidden, so they cannot be restored. Pro removes the expiry from a video entirely, so a link pasted into a document still plays years later.
Streaming quality is capped by plan: 720p without an account, 1080p free, 4K on Pro. Nothing is re-compressed beyond building those versions.
Private and link-only videos deliberately do not embed. Public videos unfurl into a player on most sites.
If none of the above fits, the support page has a form. A person reads every message and replies by email, usually within a day.