Microsoft Outlook Error code 0x80070021 usually arises when one or another program associated with it, is running in the background when users try to copy their PST files.
In this article, we will be highlighting on how to fix Outlook error 0x80070021. This error code also arises for some users when they try to copy or backup the Outlook’s PST file to another folder.
I am getting the outlook error code 0x80070021 through the PST files. At the time Opened the outlook and receive the error message
“Cannot Start Microsoft Office Outlook. Cannot open the Outlook Window. The
set of folders cannot be opened. The file xxx\Outlook.pst cannot be accessed.”
At that time my friend gets the same error code 0x80070021 because of backup. And also copy the outlook PST files are changes to another location then it gets locked. So how can unlock the file and getting the backup?
Most of the cases we get error related Outlook versions. we will discuss below the reasons for getting the Outlook. In all versions of Windows like 7,8,8.1,10.
If you can follow all the above steps you can easily get the backup data. Similarly, solving the PST files issue.
For instance, if you have problem in doing this method, we advise you to choose a Technical Support from us to help you better.
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