I was playing Binding of Isaac: Rebirth on a laptop which I hadn't used to play BoI before. I still had access to my saves because of the cloud. Then the battery died and everything crashed.
When I logged back in, I was prompted to choose between my local and cloud saves. I chose the local saves, as they were newer so I assumed they'd include my current run. I was wrong- this uploaded a blank save, erasing all my progress.
My old save data still exists on my main PC and I want to make sure I keep them. How do I make sure I have the option to do that next time I use my main PC?