How do i upload an existing world file into amp for my server?

I have an existing Minecraft world file i would like to have my server run. How do i upload Minecraft world files?

You can zip the world folder, upload it to AMP using the web file manager or SFTP, then unzip it in AMP’s web file manager.
From there you just check that the Level Name setting matches the world folder’s name, and you should be good to go