How to Fix Outlook error 0x80070021

by PURUSHOTTAM SHRIVASTAVA Technical writer, Expert in writing Blogs, Articl

Outlook is an essential component of Microsoft and many people are using it to send/receive emails. But do you know, when you use Outlook you may encounter some errors. It is one of the most damning error user can face while working on Outlook is Error 0x80070021.

Outlook 0x80070021 Error generally occurred while using Outlook express. This error is not more complex, but due to this error your Outlook account become unreachable. In this condition users fails to access their emails and unable to send emails through outlook account. Additionally most of such outlook error 0x80070021 occurs because of wrong user id and password and oversized PST.

According to users, they mostly encounter this error message when they try to backup or copy PST file to other location.

Chief causes which are liable for Error 0x80070021 in PST file are explained below:

These are numerous reasons behind damaging and corrupting your PST file and generation Error 0x80070021 problem. You should look at these factors which are responsible for your corruption of your PST file and try to avoid these circumstances to be safe in future. After reading this article you will get a complete brief overview about various issues related to cause of unexpected Outlook nonfunctioning. Take a closer look and be safe from occurrence of Error 0x80070021 Issue.

Hardware Issues:

Hardware failures are very common when this happens you are unable to store or transfer data of your PST file, this leads to PST file corruption and email loss. More or less this will also generate the problem like Error 0x80070021. Hardware failure is mainly of 3 types:

Failure of Data Storage device:

Failure of data storage device is another issue when your hard disk have bad sectors and by chance your pst files are deposited on that bad sectors then you start getting the error like Error 0x80070021. It will be nearly impossible to read your email pst data from bad sectors thus resulting in corrupt pst file.

Network Device Failure:

In many business houses there are probabilities that your PST file exist in on network server and you try to access it from there via your client computer. There are chances that there is some error in network hardware like routers, cards, hubs or other errors which can cause your pst file to get damaged and corrupt.

Unexpected Power Failure:

When you are accessing your email client and checking your PST file and in between there is sudden power failure then this can also cause your PST to get corrupt.

These are the main three hardware reasons which are responsible for causing Error 0x80070021 problem. But if you take some precautionary measures then this can be avoided. Measures like Get the best UPS for power failure. Use best and reliable network hardware to minimize network error. Always check for bad sectors and repair it. These can minimize your chances of PST file corruption.

How to easily fix 0x80070021 error?

For solving Error0x80070021 error there are two ways:

(1) Manual Solution:

(2) Alternative Solution:

Manual Solution:

1) Start your computer and log on as an administrator.

2) Press the Start tab then select All Programs, Accessories, System Tools, and then click to System Restore setting.

3) In the new window, there is an option to select "Restore my computer to an earlier time" option and then tick next.

4) Select the latest system restore option from the "On this list, click a restore point" list, and then click Next.

5) Click Next on the confirmation window.

6) Restarts the computer when the restoration is finished.

Alternative Solutions:

1) Download Aryson outlook pst repair tool.

2) Install program and click Scan button.

3) Press to the Fix Errors button when scan is finished.

4) Restart your computer.

Conclusion: Getting errors message is very common in outlook, well if you are also getting such error message then you can try to fix it by yourself. In this article I have suggested both the manual and the alternative solution so that you may fix this issue easily. Aryson outlook pst recovery is an amazing software which easily repair PST file and fix error in Outlook.