lost saves

We play on online coop on separate switch. She is the host of the game and I join via online. (Not local) Everything was okay until this morning but when we tried to play after work, her saved data wouldn’t show up, it just disappeared. At first I thought it’s just a connection issue since we...

Year 6 save file lost today after repeated game crashes. Started solo and was in Co-op when dashboarded and the world was just gone. Game crashed, reloaded, Connection failed. Second restart and no save files. I don't think theres any hope to restoring it.

My son (13), plays on his PC threw steam, twice now he has lost all progress. The first time was only 30 house the second close to 100 hours. We're not sure what's happening, neither of us are super computer savvy, tbh last PC I owned had windows ten. Anyways. We can find the files on the...