Amazing Steps to Fix Outlook Error 0X80070021

If you open the Outlook and it shows the Error 0X80070021 it means that the PST file is damage or corrupt. It needs to be repaired. The location of the file depends on the OS you are running on and the version of Outlook you are using. Moreover, hardware failures are one of the common cause for the error code 0X80070021. Another reason for this error code is the failure of data storage. Follow the steps given below, and if the issue not resolved, contact us at Outlook Customer service whenever you want.

Easy Ways to Fix Outlook Error 0X80070021

This error stops you from sending or receiving emails. Hence, you need to resolve the error or issue or you will not able to access your Outlook account. Whatever reasons be responsible for the error code, you need to troubleshoot the issue at the earliest possible.

Method 1: Repair Dame or Corrupt PST Files 

The error persists due to damage or corrupt PST files. Hence, you need to repair the PST files to get rid of this situation. For the Windows user, they can find the PST file using the path C:\Documents and Settings\%Username%\LocalSettings\ApplicationData\Microsoft\Outlook\Outlook.pst. After locating the PST file, remove it. You can also use a repair tool to repair the PST file.

Method 2: Using Task Manager

With the help of the Task Manager, you can troubleshoot the issue.

• Firstly, Press the Ctrl+Alt+Delete key to launch the Task Manager option. From the Task Manager option, choose the option of Processes tab and search for the Outlook process application and click on it.
• Lastly, choose the End task option to complete the process.

Method 3: Restore Point

your issue. Hence, you need to make use of System Restore to get your device back to an earlier state.

• Firstly, Login into your device as an Administrator option.
• Click on the Start button and then choose the option of “All Programs”
• Move to the Windows Accessories option and then move to the System Tools option.
• From the System Tools, select System Restore option.
• Choose the option of “Restore my device” to an earlier time option.
• Thereafter, confirmation windows will pop-up on the device screen.
• Click Next to confirm and restart the system when the restoration process completes.

Method 4: Eliminate Indexing Tool

• Removing the indexing tool might help you to fix the issue.
• To eliminate the indexing tool, launch the Outlook and move to the Tools from the Menu option.
• After that, Select the option of Trust Center window.
• From the left panel of the window, Select “Add-Ins” and then you will find a button which helps you to manage COM Add-Ins.
• You need to choose the COM Add-Ins from the drop-down menu that will appear on the system screen.
• To move further press the Go option.
• After that, you will find the Search Email Indexer and highlight it.
• Next, click on the Remove option to delete it.
• When the process gets over, close the Outlook tab and then reopen it to check for the Outlook error code 0X80070021.

Contact us via Outlook Customer Care team

If by following all the steps, the issue still happens, Contact us at Outlook customer service number on the toll-free number provided by our experts. Our specialists are available 24/7 for the help of users. Moreover, the option of live chat is also provided to our users for more help.