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Resolve “Your Outlook Data File Cannot be Configured” Error

Published By Nilesh Kumar
Debasish Pramanik
Approved By Debasish Pramanik
Published On January 25th, 2024
Reading Time 5 Minutes Reading
Category Outlook Tips

“When I was trying to configure my Office 365 profile in Outlook 2007, I have received this error message ‘your Outlook Data file cannot be configured in Office 365’. Being a non-technical user, I do not know how can I resolve this issue. I would be glad if someone helps me out from this problem.”

Microsoft Outlook is the well-organized email client application used by many organizations. This program enables the use of any mail account in an offline mode by creating Outlook OST file. It is very helpful for Outlook users to access emails from any remote location and other attributes from an email account.

As everyone knows, Outlook 2010 or its latest version includes various advanced features that were not available in the earlier versions. Nevertheless, when using MS Exchange Server OST file most of the users have come across an error message showing that data file cannot be configured. After getting this message in MS Outlook, users do not know how to resolve it. So, in the upcoming section, we are going to describe a manual as well professional solution as Outlook email recovery software along with some causes. Before that, let us know about this Outlook error in brief.

Quick Glance on Outlook “This Data File Has Not Been Configured” Error

Basically, this error was encountered with Microsoft users having a roaming profile connected with Exchange Server in the organization. A roaming user profile is saved on the shared network whereas, users can easily access Outlook profiles from any PC which has connected to a shared network. Thus, when executing this action multiple times users will get the error message saying that “your Outlook data file (.ost or .pst) cannot be configured“. Also, this message prompts when a user tries to import OST file from one computer to another and failure to configure completely on a new computer system.

Best Ways to Fix Your Outlook Data File Cannot be Configured

The main reason behind this ‘Outlook data file has not been configured’ error is OST file missing when MS Outlook is running. In case, if the system may crash while moving Outlook data file, then, the process can be dismissed and Outlook can not configure that profile. In addition, Offline OST file may get corrupted due to virus attack, logical error, synchronization errors, improper termination, etc., which can display an error message when a user tries to access the Outlook profile.

Manual Measures to Resolve Outlook OST Error

To get rid of “Outlook data file cannot be accessed” error message, one can follow below mentioned tricks:

1. Re-check the path of an OST file that MS Outlook is looking for on the computer system
2. Delete the OST file from a system and download the same from Exchange server
3. Reinstall MS Outlook application and then, try to open your profile
4. Using inbuilt utilities i.e. Scanost.exe and Inbox repair tool to fix this error
5. Change the Outlook email setup in the control panel. Afterward, turn off Cached Exchange mode in the settings, terminate MS Outlook and then, after launching turn on the Outlook cached Exchange mode.

Besides this, there is certain situation when MS Outlook is displaying an error message like “your outlook data cannot be configured” indicating towards a .nst file format. Many Outlook users may not familiar with this file extension. So, let us discuss know in short about NST file format and how to repair .nst file which shows an error message “Outlook data file cannot be configured in Outlook 2016.”

What is Outlook 2016 NST File?

Most of Outlook users are unaware of NST data files. It is a storage file format created in Outlook 2016 and its all previous versions when a single user can configure Office 365 profile in Microsoft Outlook, thereby NST file is created for MS Office 365 suite. It is created when a user works in an offline mode. Here, to fix this Outlook error you can follow below-mentioned steps.

Manually Fix “Outlook Data File (.nst) Cannot be Configured”

Step 1: Verify Windows System for Corruption

Click on the Windows + R shortcut key
Next, type cmd in the search box & press Enter key
Type “sfc/scannow” and then, click on enter (Require Admin Privileges to run this command)

Step 2: Update Most Updated Windows

Go to the start button
Type Update and click the enter key
Now, a Windows dialog box will prompt
If updates are available, afterward select install updates option

Step 3: Clean Unnecessary Files

Press Window + R shortcut key
Next, type “Cleanmgr” and select Enter
Then, pick OS partition and click OK button
Click on the Clean Up System Files

In many cases when this type of error “your Outlook data cannot be configured nst file” occurs then, such problems must be resolved at the same time.

Alternative Method to Fix Outlook OST Error

The above manual approach is very lengthy and time-consuming process. So, users must have to take help of a reliable third party solution i.e., OST Recovery. This tool is designed in such a way to repair or extract OST data to PST format. Moreover, it helps to recover one or more OST files in bulk mode. Moreover, it is also capable to deal with both major and minor OST corruption.

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Many times, Outlook users get stuck and face the various problem. One such error is “your outlook data file cannot be configured”. To fix this error message, we have already discussed different measures to resolve this Outlook error along with all possible reasons. Also, we have suggested a commercial solution, namely OST Recovery, which helps to repair corrupt or damaged Outlook data files(.ost) in a clear way.


By Nilesh Kumar

As a Chief Technical Writer, I know the technical issues faced by home and professional users. So, I decided to share all my knowledge via this blog. I love to help you with challenges while dealing with technical jargon.