Having trouble logging into Office 365? Don’t worry this article is all you need to fix sign-in issues and help you reach your office files and mail.
All you need to do is follow the solution listed below the error code that appears when you are trying to sign in.
Though accessing your Microsoft Office 365 account apparently appears as simple as opening the Microsoft 365 URL in a browser and entering your credentials, numerous issues have been encountered during the process, despite its apparent simplicity.
Before troubleshooting Office 365 sign-in problems, ensure that the problem doesn't originate from your end.
You are doing everything right and still facing login issues? Continue reading, the upcoming section to fix those issues.
Remember as we said earlier follow the solutions that are listed below the error code that you see while trying to log in.
This Error shows up while signing into OneDrive or Outlook applications, it is commonly due to corrupt/ incomplete credentials or bugs in your applications.
If you are using the desktop application, try restarting it or Open it in safe mode to get rid of the 1200 error. For web applications follow the solutions below:
IMPORTANT: Choose to repair the Outlook application if the mail and attachments are your highest priority.
To fix this issue:
In Google Chrome and Microsoft Edge: Press Ctrl+H, select all options, and click on the Clear button to erase all the browsing history and cache.
Once the process is completed try signing into your Microsoft account to verify if the 1200 error has gone.
You will see sign-in error 1001 when logging into a Microsoft account to use any Microsoft apps like OneDrive, Edge, etc. It could be due to outdated software, network problems, incorrect credentials, corrupt files, or folders.
To fix this issue:
You can use any reliable third-party application or Windows security to perform a scan, Follow the steps below if you are using Windows Security.
Follow the instructions to uninstall the application and once the uninstalling is done, Reboot the system and reinstall the app again.
The troubleshooter will scan and fix the issues on your connection to the internet.
You could have seen this error 2400 while logging into Outlook, This error usually happens after installing a new update on Outlook or Windows.
To fix this issue:
Try logging in to your Outlook account again and see if the 2400 error shows up again.
If you have multiple accounts try logging into another account and check if the error is specific to a particular account, if not then you can switch back to the original account again. Here’s how to do it:
You can use the built-in repair tool to repair the office, follow the steps below:
Once the repair is completed, Try to logging in again.
ALSO: Refer to the attached article to fix frequent Outlook crashing in Microsoft 365
2603 and 2604 errors indicate issues in connecting to the Microsoft servers you can see Microsoft has no network connection error despite having stable Internet connections.
Mostly seen when trying to sign in to the OneDrive application.
To fix this issue:
Close the application completely and relaunch the application to get rid of the 2603 error caused by the glitch.
Check if the OneDrive server is under scheduled maintenance or facing other issues. In this case, you must wait until the server is stable.
Follow the same steps as above until opening the Advanced tab in the Internet Properties window.
Restart your computer and see if the issue is resolved.
53003 error often has to do with Azure Conditional Access Policies, This error code shows up when the admin enables a feature in your Azure Conditional Access Policies.
To fix this issue:
Sometimes the issue is temporary, sign in again. Ensure that is the same location that your admin supports.
To verify your account to Azure Conditional Access Policies, You will have to contact your admin and get it verified.
A Service Outage can also cause the 56003 error, Ensure that the servers of your application is working normally to fix this login issue.
Microsoft Teams error CAA50021 is displayed when you try to log in repeatedly in a short period. Here is how you can fix it.
To fix this issue:
Clear the Oudated Microsoft Teams credentials on your computer using Credential Manager which stops you from logging into Teams.
After removing the credentials, restart your computer, and try signing into the Teams to check if the issue is resolved.
An older version of the Microsft Teams could be a reason for causing login issues. Updating the application can fix this. To install the newest update click on the Settings and More option at the top and select Check for updates.
If your antivirus or Windows Windows Defender Firewall recognizes Microsoft Teams as a threat, it could prevent access to the application. To resolve the CAA50021 error you can temporarily disable the antivirus.
These errors are associated with Microsoft Teams often due to incorrect settings, authorization issues due to account problems or permission issues, or administrator restrictions.
To fix this issue:
If you have problematic web extensions it could block the login process, log in the Incognito Mode or Safe Mode to see if the issue persists.
If the extensions on your browsers conflict with teams it could block the login process, Login using Incognito Mode or Safe Mode to see if the issue persists
Inaccurate data and time settings prevent you from accessing safe websites, Check the date and time settings on your computer, Setting the time zone and time to automatic is highly recommended.
Usually, it is automatic, here is how you check it on Windows 11.
The solutions are endless when it comes to resolving Office 365 sign-in issues, You can also choose to tweak the registry only if you are skilled.
If you couldn’t fix the Microsoft 365 login errors, we suspect that it could be a problem on your account related to a missing license or restricted by the security policies, contact Microsoft support for assistance in accessing your Microsoft 365 applications.