Cant log into my One Drive

1. Check whether the issue is the account or the OneDrive app:
   • Try signing in to the Microsoft account dashboard first.
   • If sign-in fails there too, use the Microsoft sign-in helper.
2. If the account sign-in works, check the OneDrive app:
   • If the OneDrive icon is gray or has a line through it, OneDrive is signed out.
   • Select the OneDrive icon, then at the Set up OneDrive screen enter the email address and password.
3. Restart OneDrive if it says it is not connected:
   • On Windows, open Start and search for OneDrive.
   • On Mac, open Finder and search for OneDrive.
   • If the app is missing, install the latest version of OneDrive.
4. Check network blocking:
   • If sign-in still fails, the cause may be a firewall, VPN configuration, or the internet provider.
   • Test with a mobile hotspot if available.
   • If that works, the normal network may be blocking OneDrive or Microsoft 365 access.
5. Use the correct account type:
   • If the error says “Selected user account does not exist in tenant 'Microsoft Services'” or “cannot access the application '00000003-0000-0ff1-ce00-000000000000'”, a Microsoft personal account is being used on a work or school OneDrive site.
   • Sign in with the work or school Entra ID instead.
6. If a hack is suspected:
   • Review Microsoft account recovery and sign-in help resources immediately.
   • Microsoft support agents cannot send password reset links or change account details for security reasons.
7. If nothing works:
   • For a personal account, use Contact Microsoft Support.
   • For a work or school account, contact the organization’s IT helpdesk or admin.

References:

• Can't sign in to OneDrive
• Fixes or workarounds for recent issues in OneDrive
• Sign in to Microsoft 365
• How to recover a hacked or compromised Microsoft account