Error code 801C03F2 in Office 365 – How to fix it easily?

Read time: 6 minutes

Microsoft 365 is now used extensively by organizations and individuals to manage their work-related tasks and duties more effectively. With a huge user base of millions, it became a well-efficient cloud-based platform that provides a wide range of applications and services to enhance work productivity.

But all this goes in vain if you are not even able to smoothly sign in to your Microsoft 365 account.

Microsoft 365 is an advanced platform, but it can even throw rare errors, such as error code 801C03F2. This issue has been experienced by a few users when they tried to sign in to their accounts. Corruption in files is one of the many reasons behind this. It might seem complex, but on the contrary, it can be easily fixed. In this article, we will discuss all the methods to fix the error code 801C03F2 in Office 365.

Resolve 801C03F2 error code in Microsoft 365?

This issue can occur due to problems with the system or a Microsoft 365 application. If the system is responsible for it, then you can try the mentioned tricks to resolve this issue:

• Perform Disk Clean-up
• Reboot the system
• Check the Wi-Fi connection
• Clear the Credential Manager’s data

However, if the problem is due to a Microsoft 365 application, these techniques will help you:

• Restart the Office 365 application
• Repair Office 365 applications
• Reinstall the Office 365 applications

For a better understanding, all these methods have been discussed in length below-

Methods to repair 801C03F2 error in Microsoft 365

Method 1. Perform disk clean-up

When your disk stores unnecessary cache data, it abruptly harms your device when running any software seamlessly. Disk Clean is an inbuilt feature of Windows that helps you remove unnecessary cache files and make your system smooth and faster. It removes all the unnecessary files and folders, improving the overall system’s performance. Regular maintenance and clean-ups can help you speed up its functioning.

Follow these steps to run the Disk Clean-up:

1. Press the Windows key and X simultaneously to open the Task menu. Select the Run option.
2. Type “cleanmgr” and click on OK.
3. Select the Drive and give the clean command.

Method 2. Reboot the system

Occasionally, user’s systems have some internal problems, so the 801C03F2 error pops up and appears in Microsoft 365. It is usually recommended to reboot your system as a troubleshooting method. It closes all the running tabs and unloads the drives. Later, it restarts the operating system. It can also prove to help resolve error code 801C03F2.

Method 3. Check your Wi-Fi connection

This error is likely to occur due to some poor network issues. Similar is the case with this error restricting users from signing in to their accounts. You can simply switch off your modem and router and switch it on again after a few minutes. If connectivity issues still exist, you should switch to a more stable and stronger network.

Method 4. Clear the credential manager data

This utility allows the user to view and manage all their login credentials for various websites and applications. However, at times this may cause authentication problems.

You can clear the Credential Manager using these steps:

1. Open Control Panel and select Credential Manager.
2. Click on Windows Credentials.
3. Choose the password which you want to delete and then select Remove.
4. To apply the changes, restart your computer.

Method 5. Restart the Office 365 application

There might be some minor issues with the currently running Office application. In a situation where any of the Office applications are not working properly, you can try to simply close and launch it again. Check if the error code persists.

Method 6. Repair the Office 365 application

Another method that helps to resolve error code 801C03F2 is repairing the applications in the Office suite. This error can also occur due to low space, for which you can always increase Office 365 mailbox size to 100GB.

This repairing process can be performed using the steps mentioned below:

1. Press Windows + X and click on Programs and Features.
2. Select the Office application and click on Modify; this will repair all the Office applications.
3. Follow the instructions presented on the screen to successfully complete the process.

Method 7. Reinstall the Office 365 application

Often, some unidentified problems cause such errors. A workaround is to uninstall the Office 365 application and install it again. It will give users a clean slate, and they can start fresh. You can uninstall the program by going to the Control Panel and reinstalling it from the official Microsoft website.

What to do if you lose your data due to Office 365 errors?

Data loss is not an alien concept, but it will eventually happen due to minor issues. Hence, it is necessary to keep your data protected by keeping regular backups of Microsoft 365. It even helps when the user has deleted user mailboxes in Exchange online. Data can be restored anytime using its backup, leaving no interruptions in work. Since the data is confidential in nature, it is essential that you choose a secure tool to perform its backup.

Kernel Office 365 Backup & Restore tool is a professional utility that ensures secure backup of all your important data. You can restore these backed-up data at any time. The format of the backup file can be selected from a wide range of options. The Microsoft 365 Backup tool also enables users to perform selective Office 365 data backups. This software extends its support to all plans and versions of Microsoft Outlook and Exchange Server.

Conclusion

The error code 801C03F2 is experienced by users when they try to sign in to their Microsoft 365 accounts. It can occur due to problems with the system or an Office application. Accordingly, some methods can be used to resolve this error- perform a disk clean-up, reboot the system, check your internet connection, clear the data of Credential Manager, and many more. If you want to save time and effort, use Kernel Office 365 Backup and Restore. Also, it is wise to take backup of all your data using this professional utility.