How to Solve [pii_email_90393e431c9ad91b850e] Error Code



In today’s digital era, email has become an integral part of our personal and professional lives. However, encountering errors while using email services can be frustrating. One such error is the [pii_email_90393e431c9ad91b850e] error code. In this article, we will delve into the causes of this error, explore its implications, and provide effective solutions to resolve it.

What is the [pii_email_90393e431c9ad91b850e] Error?

The [pii_email_90393e431c9ad91b850e] error is a common problem encountered by Microsoft Outlook users. It appears as a numerical code that signifies an issue within the email client or its configuration settings. When this error occurs, users may find it difficult to send or receive emails, leading to disruptions in communication.

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Causes of the [pii_email_90393e431c9ad91b850e] Error

  1. Incorrect Configuration Settings: One of the primary reasons for this error is incorrect configuration settings within the email client. This can occur when the user enters incorrect server or port numbers during the initial setup process.
  2. Multiple Accounts Setup: If you have multiple email accounts configured in Microsoft Outlook, conflicts between the settings of different accounts can lead to the [pii_email_90393e431c9ad91b850e] error.
  3. Outdated Software: Using an outdated version of Microsoft Outlook can result in compatibility issues and trigger the error code.
  4. Corrupted Installation: In some cases, a corrupted installation of Microsoft Outlook or related software can cause this error to occur.

Effective Solutions to Resolve the [pii_email_90393e431c9ad91b850e] Error

  1. Check Configuration Settings: Start by reviewing the configuration settings of your email account in Microsoft Outlook. Ensure that the server and port numbers are correct. Double-check the username and password as well. If you are uncertain about the correct settings, contact your email service provider for assistance.
  2. Remove Duplicate Accounts: If you have multiple email accounts configured, remove any duplicate or unnecessary accounts. This can help resolve conflicts and eliminate the [pii_email_90393e431c9ad91b850e] error.
  3. Update Microsoft Outlook: Ensure that you are using the latest version of Microsoft Outlook. Check for updates and install any available patches. Updated software often includes bug fixes and compatibility improvements that can address the error.
  4. Reinstall Microsoft Outlook: If the error persists, consider reinstalling Microsoft Outlook. Before proceeding with the reinstallation, make sure to back up your important emails and data. Uninstall the existing Outlook application, restart your computer, and then install the latest version from the official Microsoft website.
  5. Seek Technical Support: If none of the above solutions resolve the [pii_email_90393e431c9ad91b850e] error, it is advisable to seek technical support from Microsoft or your email service provider. They can provide specific guidance based on your unique situation and offer advanced troubleshooting steps.


The [pii_email_90393e431c9ad91b850e] error code can be a frustrating obstacle in your email communication. However, with the right approach, it can be resolved effectively. By reviewing and adjusting the configuration settings, updating software, and seeking technical support when needed, you can overcome this error and restore the smooth functioning of Microsoft Outlook. Remember to stay vigilant with regular software updates and maintain a backup of your important emails to avoid future complications.

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