A Microsoft file hosting and synchronization service.
Hi Sam,
Welcome to the Microsoft Community.
From your description, sorry to hear that you have experienced some issues.
Sincerely apologize for the inconvenience you have experienced. As you mentioned, the issue is with grey cloud, which is your personal OneDrive. Please confirm you are sign in with the same account.
If it's no responding, you could try to reset OneDrive following the instructions with this link.
Reset OneDrive - Microsoft Support
Thanks for your patience and understanding. Should any uncertainties arise subsequently, please feel free to seek assistance once again.
Best regards,
Serena - MSFT | Microsoft Community Support Specialist