How to move games from PS5 to USB extended storage
1. Go to Settings > Storage >Console Storage > Games and Apps.
2. Select Items You Can Move from the tabs above the games list.
3. Select the games and/or apps you want to transfer to your external USB drive.
4. The system will confirm the games and/or apps you select, then click OK, it will start to move.
5. After this process is done, you will see the games or apps you select in your external USB drive.