You will see new files created by the new save. Locate your original, older save files.
These updates are applied automatically by Steam or the EA App, so you don't need to worry about manually updating your saves. dead+space+remake+save+file+upd
A known engine limitation causes Dead Space Remake to silently fail to save or load when a player accumulates too many manual records (often around 300+ slots). Guide :: How to restore "lost" save data - Steam Community You will see new files created by the new save
One of the most common issues occurs if you have too many save slots (reports suggest this can happen around 300+ files). The game may "silently fail" and refuse to create new saves. dead+space+remake+save+file+upd