Have you ever encountered Outlook errors like something is wrong with one of your data files? How to deal with this issue? MiniTool offers potential causes and some easy-to-use solutions in the comprehensive guide. Read through to find what you want.

Outlook Wrong Data Files

Outlook is widely used by users worldwide since it is not only an email service but also includes a suite of features including Calendars, Tasks, Contacts, etc. However, here is a common error to block you from using this client: “Something is wrong with one of your data files and Outlook needs to close”.

The underlying causes behind this error are various, including:

  • Large or oversized PST file
  • Faulty add-ins
  • Conflicts with other apps
  • Error during the installation of network devices
  • Improper Outlook termination

The Outlook wrong data file error may break the function of this tool. But the good news is that you can fix it through some troubleshooting tips. Without further ado, let’s begin the fix.

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Fix 1: Run Outlook in Safe Mode

To know if the “Outlook something wrong with one of your data files” error stems from faulty add-ins, open this client in Safe Mode which helps identify the add-ins and remove them.

Step 1: Press Win + R, type Outlook.exe /safe,and click OK.

Step 2: If Outlook opens properly, it means one add-in is causing the error. Just go to File > Options > Add-ins and click Go from Manage.

Step 3: Uncheck all add-ins and click OK.

Fix 2: Repair Corrupt PST File

On the computer screen, you can notice the error message “something is wrong with one of your data files” mentions a solution – run the Inbox Repair Tool. Also known as Scanpst.exe, this tool helps a lot in repairing corrupt PST files.

To do so:

Step 1: Find the Scanpst tool on your PC. Depending on the version of Outlook, the location varies. You can press Win + R, type %programfiles%/Microsoft Office/ or %programfiles(x86)%/Microsoft Office/,and click OK.

Step 2: Launch the SCANPST.EXE file to open the Inbox Repair Tool.

scanpst exe file under Office folder

Step 3: Click Browse to choose the corrupt PST file (located in %localappdata%/Microsoft/Outlook) and then hit Repair.

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Fix 3: Edit Registry Keys

In case of Outlook wrong data files, changing some keys in the Windows Registry does the trick.

Tips:
Since incorrectly modifying registry keys could render the system unusable or cause boot issues, you should follow the steps carefully. For security, we also recommend backing up your PC using the PC backup software, MiniTool ShadowMaker, or creating a restore point so as to restore the machine to a previous state in case of computer accidents.

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Step 1: Access Registry Editor via the Search box.

Step 2: Go to the path: HKEY_CURRENT_USER\SOFTWARE\Microsoft\Office\16.0\Outlook\PST.

Step 3: Find these two keys: LastCorruptStore and PromptRepair and delete them.

Fix 4: Create a New Profile

This sets up your email account from scratch and creates a new PST file to replace the bad one to fix “something is wrong with one of your data files”.

Step 1: Open Control Panel and click Email.

Step 2: Tap Show Profiles > Add, type a new profile name, and click OK.

Outlook show profiles to add a new file

Step 3: Choose the new file and tick Always use this profile, then save the change.

Fix 5: Repair MS Office

As Outlook is part of the MS Office suite, once it goes wrong, the “Outlook something wrong with one of your data files” error may happen. Repairing this suite may help. So, do this via the following steps.

Step 1: Navigate to Control Panel > Programs > Programs and Features.

Step 2: Right-click on Microsoft Office and choose Change.

Step 3: Select eight Quick Repair or Online Repair and click Repair to start the process.

repair Microsoft Office in Windows

Final Words

It is a pesky thing to deal with “something is wrong with one of your data files” in Outlook. But fret not, these methods will easily troubleshoot the issue. You soon get back to the email client to receive and send emails.

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