If you receive the error message “wrong with one of your data files and Outlook needs to close” when trying to start Outlook after updating it, this post is intended to help you. In this post, we will offer the workaround you can try to mitigate this issue.
After clicking OK on the error prompt, the Inbox Repair Tool will launch and guide you through the repair process. After you reboot your computer, the fixes should be applied and hopefully the Outlook error will be resolved. If the error persists, try restarting Outlook.
Something is wrong with one of your data files and Outlook needs to close
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The workaround below can help you effectively resolve the issue if you’re faced with it. To make Outlook usable again for all users, delete the following two keys from the registry.
The PST document format is related to the format of other documents.
Since this is a registry operation, it is recommended that you back up the registry or create a system restore point as necessary precautionary measures. Once done, you can proceed as follows:Before proceeding with this registry operation, it is recommended that you create a backup of your registry or a system restore point. This will help you recover your system in case something goes wrong. Once you have taken these precautionary measures, you can proceed as follows:
- To open the Run dialog, press Windows key + R.
- In the Run dialog box, type in “regedit” and hit Enter to open Registry Editor.
- To access the registry key path below, either navigate to it manually or use the “Jump to Registry Key” feature in the Registry Editor.
- Right-click the LastCorruptStore and PromptRepair registry keys and select Delete.
- Restart Outlook.