Fix for Outlook Invalid XML Error [Solved]

July 12, 2023
Outlook Invalid XML Error


In this comprehensive guide, we will address the common issue of the “fix for Outlook Invalid XML Error” and provide effective solutions to resolve it. If you are encountering this error while attempting to start Microsoft Outlook, fret not! We have the answers you need to overcome this hurdle and ensure the smooth functioning of your Outlook application.

Understanding the Outlook Invalid XML Error

The “Outlook Invalid XML Error” occurs when the XML file associated with your Outlook configuration becomes corrupted or contains invalid data. This error can prevent Outlook from starting properly and may display error messages that hinder your ability to use the application effectively.

Troubleshooting Steps to Resolve the Outlook Invalid XML Error

Step 1: Restart Outlook in Safe Mode

To begin troubleshooting the Invalid XML Error, we recommend starting Outlook in Safe Mode. This allows you to isolate the issue by disabling add-ins and third-party applications that may interfere with the startup process.

Follow these steps to start Outlook in Safe Mode:

  1. Press the Windows Key + R on your keyboard to open the Run dialog box.
  2. Type outlook.exe /safe in the Run box and press Enter.
  3. Outlook will launch in Safe Mode, allowing you to check if the error persists.

Step 2: Repair the Outlook XML Configuration File

If restarting in Safe Mode does not resolve the issue, the next step is to repair the XML configuration file associated with Outlook. This file contains crucial settings and preferences, and repairing it can often fix XML-related errors.

Follow these steps to repair the Outlook XML configuration file:

  1. Close Outlook if it is currently running.
  2. Open the File Explorer on your computer and navigate to the following location: %appdata%\Microsoft\Outlook.
  3. Locate the file named Outlook.xml or Outlook.xml.config and rename it to Outlook.xml.old.
  4. Restart Outlook, and a new XML configuration file will be automatically created.

Step 3: Fix for Outlook Invalid XML Error with Command

To resolve this issue and fix the malfunction, you can easily reset the settings for your profile navigation pane. Follow the step-by-step instructions below:

  1. Click on the Start menu option on your computer.
  2. Open the Run window by either pressing the Windows key + R or searching for “Run” in the search bar.
  3. In the Run window, type the following command: ‘C:\Program Files\Office 14\Outlook.exe /resetnavpane
  4. Alternatively, you can also type the command ‘Outlook.exe /resetnavpane’ directly into the Search Programs and Files box.
  5. Make sure there is a space after “Outlook.exe” in the command.
  6. Click on the “OK” button to execute the command.
  7. Restart Outlook to check if the issue has been resolved.

By following these simple steps, you can reset the navigation pane settings of your Outlook profile and potentially resolve the malfunction. Remember to restart Outlook to see if the issue has been fixed.

Step 4: Run Outlook Diagnostics

If the error persists after repairing the XML configuration file, you can utilize the built-in Outlook Diagnostics tool to identify and fix any underlying issues with the application.

Follow these steps to run Outlook Diagnostics:

  1. Close Outlook if it is currently running.
  2. Open the Control Panel on your computer.
  3. Navigate to the Programs or Programs and Features section.
  4. Find and select Microsoft Office from the list of installed programs.
  5. Click on the Change or Modify button.
  6. In the Office installation window, choose the Repair option and follow the on-screen instructions.
  7. Once the repair process is complete, restart your computer and check if the error is resolved.

Step 5: Reinstall Microsoft Office

If all previous steps fail to resolve the Outlook Invalid XML Error, it may be necessary to reinstall Microsoft Office. Reinstalling the application ensures a clean installation, often fixing persistent issues.

Follow these steps to reinstall Microsoft Office:

  1. Uninstall Microsoft Office from your computer through the Control Panel.
  2. Download the latest version of Microsoft Office from the official website or use the installation media if available.
  3. Run the installation file and follow the on-screen instructions to reinstall Microsoft Office.
  4. Once the installation is complete, launch Outlook and check if the error is resolved.


Congratulations! You have successfully learned how to resolve the Outlook Invalid XML Error. By following the troubleshooting steps provided in this guide, you can overcome this error and regain full functionality in your Outlook application. For further assistance or if you encounter any additional issues, feel free to reach out.

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