Desynced

Checkpoint64 has a preset for Desynced: it already knows where the save folder is, backs it up automatically and keeps every version. Everything this site has on Desynced:

Save file location

Windows: %LOCALAPPDATA%\Desynced\Saved\SaveGames
Sharing with friends

How to share your Desynced world with friends, from playing live to taking turns when the host is offline.

Desynced

Save file location

Sharing with friends