<Steam-folder>\userdata\<user-id>\1551360\remote\<user-id>\
Play the game for a few minutes, perform an action that forces an autosave (like changing a car's color), close the game, turn Steam Cloud back online, and select "Upload Local Save" if a sync conflict window appears. For Xbox Game Pass / Microsoft Store Users forza horizon 5 100 save game better verified
Start the game. Once you confirm the save works, re-enable Steam Cloud and choose to overwrite the cloud save with your new local save. For Xbox App / Microsoft Store Users close the game