Steam Emulators trick a game into thinking Steam is running. Saves are often stored in:
Try it once, and you’ll never go back to raw Goldberg or older emu saves. 5dmcity steamemu saves better
save folder to manually copy and paste your save files after long sessions. Use Save States (For Emulators): Steam Emulators trick a game into thinking Steam is running
For more precise advice, additional details about "5dmcity" and the specific emulator you're using would be helpful. 5dmcity steamemu saves better