S.T.A.L.K.E.R. 2: Heart of Chornobyl

Checkpoint64 has a preset for S.T.A.L.K.E.R. 2: Heart of Chornobyl: it already knows where the save folder is, backs it up automatically and keeps every version. Everything this site has on S.T.A.L.K.E.R. 2: Heart of Chornobyl:

Save file location

Windows: %LOCALAPPDATA%\Stalker2\Saved\STEAM\SaveGames
Backup guide

S.T.A.L.K.E.R. 2 keeps saves in a different folder per store — Steam, EOS or GOG — so backup advice written for one copy misses the others. Checkpoint64 knows all three and keeps every version. Free download.

S.T.A.L.K.E.R. 2: Heart of Chornobyl

Save file location

Backup guide