Checkpoint64 has a preset for Palworld: it already knows where the save folder is, backs it up automatically and keeps every version. Everything this site has on Palworld:
Palworld
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Save file location
Windows:
%LOCALAPPDATA%\Pal\Saved\SaveGames -
Backup guide
Palworld's Level.sav only grows as your world ages, and a crash or bad shutdown mid-save is a well-known way to corrupt it. Checkpoint64 keeps every version so a bad save is one click from restored. Free download.
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Server ports
UDP 8211 -
Sharing with friends
How to share your Palworld world with friends, from playing live to taking turns when the host is offline.