How to import a single-player save to a Palworld server

Yes for the world: copy the save folder into Pal/Saved/SaveGames/0/, then point the server to its name. The original host's character doesn't carry over automatically.

In the GamePanel

your serverFilesOpen

Before you start

The save on your Steam PC, in %LOCALAPPDATA%\Pal\Saved\SaveGames\<your Steam id>\.

Start the server once, then stop it.
Upload the save folder (its name is a long string of letters and numbers) into Pal/Saved/SaveGames/0/, over SFTP.
The Pal/Saved/SaveGames/0 folder with a world folder
Open Pal/Saved/Config/LinuxServer/GameUserSettings.ini and put this name after DedicatedServerName=.
Start the server: bases, Pals and guest players carry over.

Common errors

The co-op game's host starts from scratch: their character is tied to the local game. Community tools fix this, but it isn't covered by our support.
Xbox and Game Pass saves aren't in this format: they don't copy over as is.
Keep a copy of the save before importing.