A Microsoft file hosting and synchronization service.
Hello, thank you for reaching out to Microsoft Q&A.
- Could you please share the error message you receive when trying to sign in? If possible, please include a screenshot of the error.
- Also, may I know whether you’re trying to sign in with a personal account or a work/school account?
- Have you already tried resetting or reinstalling OneDrive?
If you haven't tried resetting OneDrive, you can follow the steps in the article here to see if it helps.
https://support.microsoft.com/en-US/onedrive/reset-onedrive
If it doesn't, let me know the error message. This will help me determine whether the issue is with your account or with OneDrive.