Worlds & backups
Your world is the one thing on the server you cannot download again from somewhere else. We take a backup every night and keep the 10 most recent, and you can make one yourself before anything risky.
Restoring is one button, but it replaces everything that is on the server now. The articles below explain what to check first so you get back the world you meant.
Worlds & backups articles
Delivery: most servers are handed over instantly and run within seconds of payment, the rest follow within 60 minutes during the day and within 12 hours at night.