Forza Horizon 4 is an open-world racing game developed by Microsoft.
Forza Horizon 4 is an open-world racing game developed by Microsoft.
This won't work because the updated save files will overwrite the existing ones in the cloud.
Forza isn't meant to work across multiple accounts or saved versions. Cloud files are preferred, so even if you duplicate local copies, online syncs will replace them. The automatic sync happens without prompting unless no local saves exist. This setup was consistent in Forza Horizon 3; it's unclear if it changed for Horizon 4.