Hello Linda,
Welcome to the Microsoft Community.
We understand that you are facing with issues with accessing your OneDrive files. We want to know if you can sign in your account in account.microsoft.com. From your description, it seems you cannot receive an email sent to your account, is that your case?
To help us determine your problem more accurately, if you see any error message, or error code when opening a file in OneDrive, please share it with us. We will provide you with further assistance based on your feedback.
Reset OneDrivecan be the first option we think of when dealing with OneDrive issues. You can click on this link, follow the steps to have a try.
Best Regards,
William.Y | Microsoft Community Support Specialist