Fix Outlook Data File Cannot Be Configured– 3 Useful Ways

Is there an error message that Outlook cannot configure data files ("Your Outlook data file cannot be configured")? Don't worry, this article will provide you with a solution.

Error in the Unable to configure Outlook Data File

Microsoft Outlook is a commonly used mail client for sending and receiving emails, managing contacts, calendars, and tasks. But when setting up or using Outlook, you may encounter frustrating errors like "Outlook data file cannot be configured". This error prevents you from accessing data files in your Outlook account.

This error can be caused by a number of reasons, the most common ones include:

• The data file (.ost or .pst) is corrupted.
• The system crashes.
• Configuration settings are incorrect.
• The software is outdated or incompatible.

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How to fix the error that Outlook data file cannot be configured?

Here are three ways to solve the "Outlook data file cannot be configured" error:

Method 1: Clean up NST files

When you configure Office 365 in Outlook and work in offline mode, the NST file is automatically created. All Office 365 cached data is stored in the NST file format. If you encounter the "Outlook File (.nst) Unable to configure" error when configuring an Office 365 account, try the following:

Step 1: Verify that the system file is corrupted

• Enter "cmd" in the search box, find "Command Prompt", and select "Run as Administrator".
• Enter "sfc /scannow" in the command window, and then press "Enter" to start the SFC scan.

• Wait for the process to complete until you see "Verification 100% Completed".

Step 2: Install the latest Windows updates

• Press Win I to open Settings.
• Go to Update & Security > Windows Update > Check for Updates.
• If an update is available, install it.

Step 3: Clean up unwanted files

• Press Win R to open the Run box, enter Cleanmgr, and then click OK.
• Select the operating system partition and select OK.
• Finally, select the unwanted file and click Clean System Files > OK.

Method 2: Delete and recreate the OST file

OST files are offline folder files in Microsoft Outlook, and you can access Outlook even if your internet connection is not good. Deleting and recreating a new OST file can fix the "Outlook file (.ost) cannot be configured" error. The specific steps are as follows:

Step 1: Save the unsaved work, exit Outlook, and open Control Panel.

Step 2: Enter "mail" in the search box and find "Mail (Microsoft Outlook).

Step 3: When the Mail Settings window appears, select Email Account > Go to the Data File tab > Select your account > Click Open File Location.

Step 4: Right-click on the OST file and select "Delete" from the list.

Step 5: After that, shut down the computer and when you restart Outlook, a new OST file will be created for the account.

Method 3: Use Scanpst.exe tool to repair PST files

If Microsoft Outlook cannot be started, your configuration file is not configured, which may be related to your PST file. Scanpst.exe is a built-in tool for scanning and repairing corrupted PST files in Microsoft Outlook. If you encounter the "Outlook file (.pst) cannot be configured" error, follow these steps:

Step 1: Exit Outlook and navigate to "C:/Program Files" or "C:/Program Files (x86)" in File Explorer.

Step 2: Enter "scanpst.exe" in the search box to open "Inbox Repair Tool (scanpst.exe)".

Step 3: In the new window, enter the name of the PST file you want to check and click Start.

Step 4: If the scan finds errors, click Fix to fix these errors.

Step 5: After the repair is complete, restart Outlook to check if the error has been resolved.

Summarize

This article mainly introduces the reasons and solutions for the "Outlook data file cannot be configured" error. Hope this article helps you solve this problem.

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