How to Resolve the Outlook Error [pii_email_d2ef90566c67aedae09b]: A Step-by-Step Guide

[pii_email_d2ef90566c67aedae09b] Error resolved

Microsoft Outlook is a popular email client used by millions worldwide for personal and professional communication. However, like any software, it can sometimes encounter errors that disrupt its functionality. One such common error is [pii_email_d2ef90566c67aedae09b]. If you’re facing this issue, don’t worry—there are several ways to fix it. In this guide, we’ll discuss what causes the error and how you can resolve it.

What Causes the Outlook Error [pii_email_d2ef90566c67aedae09b]?

The Outlook error [pii_email_d2ef90566c67aedae09b] can be triggered by several factors, including:

  • Conflicts with Other Email Accounts: If you have multiple email accounts set up in Outlook, they might conflict with each other.
  • Corrupted Outlook Installation: Sometimes, the installation files for Outlook get corrupted, leading to errors.
  • Outdated Software: If you’re using an outdated version of Outlook, it might cause compatibility issues.
  • Incorrect Configuration: Misconfigured email settings can also lead to this error.

How to Fix the Outlook Error [pii_email_d2ef90566c67aedae09b]

Now that we understand what might cause this error, let’s explore some practical solutions to fix it.

  1. Restart Outlook and Your Computer
    Sometimes, a simple restart can resolve many issues. Close Outlook and restart your computer. Once your system is back up, open Outlook again and check if the error persists.
  2. Clear the Cache and Cookies
    Clearing the cache and cookies can often resolve software-related errors. Here’s how to do it in Outlook:
  1. Open Outlook and go to “File.”
  2. Click “Options,” then “Advanced.”
  3. Scroll down to the “Maintenance” section and click “Empty Cache.”
  4. Restart Outlook to see if the error is gone.
  1. Check for Updates
    Outlook and other Microsoft Office applications regularly receive updates. An outdated version might cause errors. To update Outlook:
  1. Open Outlook and go to “File.”
  2. Click “Office Account.”
  3. Click “Update Options” and choose “Update Now.”
  4. Let the update complete and restart Outlook.
  1. Reconfigure Your Email Accounts
    If the error is related to your email configuration, reconfiguring your accounts might help:
  1. Open Outlook and go to “File.”
  2. Click “Account Settings” and select your email account.
  3. Click “Remove” to delete the account.
  4. Click “Add Account” to set it up again with the correct configuration.
  5. Follow the on-screen instructions to complete the setup.
  1. Reinstall Outlook
    If none of the above solutions work, reinstalling Outlook might be your best option:
  1. Open the Control Panel and go to “Programs” or “Programs and Features.”
  2. Find Microsoft Office and click “Uninstall.”
  3. Follow the prompts to uninstall Outlook.
  4. Reinstall Outlook from the Microsoft Office website or your original installation media.
  5. Set up your email accounts and check if the error is resolved.


The Outlook error [pii_email_d2ef90566c67aedae09b] can be frustrating, but it’s usually fixable with the steps outlined above. If you’ve tried everything and the error persists, consider reaching out to Microsoft Support for further assistance. By following these steps, you should be able to get back to seamless email communication in no time.

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