Resident+evil+6+save+game+location+non+steam

Technically yes, but it requires tools to re-sign the save to your Steam profile ID. That’s a whole separate guide — but in short: non-Steam → Steam is possible, Steam → non-Steam usually isn’t worth the trouble.

C:\Users\[YourUserName]\Documents\GOG.com\Resident Evil 6\Saves\ resident+evil+6+save+game+location+non+steam

Unsure which non-Steam version you have? Try this: Technically yes, but it requires tools to re-sign

%AppData%\Roaming\Goldberg SteamEmu Saves\221040\remote resident+evil+6+save+game+location+non+steam