
If you’ve checked all this and still can’t sign in, reach out to your Microsoft 365 admin or support team. They can help figure out if the problem is just with your account or something bigger. Those can change your input and you might not notice right away.
- Uninstalled and reinstalled O365 and have run Microsoft Office repair.
- Just looking for some help as my superiors aren't that helpful.
- If you encounter any issues, you can also contact Microsoft support.
- If you encounter this error – Sorry, we are having temporary server issues, then chances are that the issue lies at Microsoft’s end.
- After resetting your password, sign back into these apps one by one using your new credentials.
- Restrictions on device compliance, location, or sign-in risk might block you even if your password is correct.
- Additionally, enable two-factor authentication (2FA) whenever possible for an added layer of protection.
Unable to sign in to Office 365 (even with correct password)

If you are still unsure about the right password and are facing Microsoft 365 login issues, use the Forgot Password option to reset your password. Sometimes, Office 365 sign-in just won’t work because the GUID tied to a Windows profile gets messed up. When this happens, Windows can’t really connect your identity to Office services the way it’s supposed to. Every company’s setup is a little different, and sometimes the problem goes deeper than resetting a password. If you’re stuck and want someone to jump in, our crew at NetTech Consultants – IT Support and Managed IT Services in Jacksonville can help.
Check Keyboard Layout and Input Issues
You can test your password in a plain text field (not the login box) to see if it comes out right. The issue was with AD Connect it had reverted to using one of RODCs. We were upgrading our firewalls and both HQ/Production domain controllers were down so it latched on to the RODC. I set our domain controllers as preferred domain controllers so that this wouldn’t happen again if we were ever in a situation like that again. To find out what the account is, open the synchronization service, navigate to connectors, and open properties for ADDS. Restart the server, reinstall AD Connect, and enable Password writeback.
Why Do You Face Microsoft 365 Login Issues?

To be prepared for unexpected events and ensure access to vital information, I suggest delving deeper into Microsoft 365 backup options. Yes Also it seems to be tied to the users profile somehow
Office 365 troubleshooting guide since if you log in as a diffrent user everything works. If your account is locked due to multiple unsuccessful login attempts, wait for the lockout period to end.
Why is Outlook 365 not accepting my password?
If you are still unable to sign in, you can contact support by selecting the button below, and tell the support advocate that your username has stopped working.
Address
For easier management, consider using a password manager to securely store and sync your credentials across devices. Resetting your password can affect your connected Office apps. Once your password is changed, apps like Outlook, Teams, or OneDrive may prompt you to sign in again with the new password. This ensures your account remains secure and continues syncing properly. If you’re using multiple devices, you’ll need to update the password on each one to avoid access issues. Yes, resetting your password immediately secures your account if you suspect unauthorized access.
Advanced Solutions for Persistent Issues
If self-service password reset is enabled for your account, use the "Can’t access your account?" link on the Microsoft sign-in page. Verify your identity through email, text, or authenticator app validation. This process ensures only you can access your account securely. If recovery fails, double-check your entered details and retry. Ensure you use your correct email and up-to-date recovery methods. They can reset your password directly or provide further troubleshooting resources.
Step-by-Step Troubleshooting for Microsoft Office 365 Login Issues
Sometimes, authentication settings, Windows account configuration, or a corrupted profile can block you even with the right password. If MFA is on, make sure you’ve got access to the device or app you need to approve the login. If you’re sure the password is right but it still won’t let you in, try resetting it using the Microsoft 365 password reset portal. That way, you make sure your account syncs up with Microsoft’s authentication system. A corrupted Microsoft-linked Windows profile can block Office 365 sign-in.