How to Solve [pii_email_9da9c31e7b4fa7a6979f] Error

[pii_email_9da9c31e7b4fa7a6979f] Error

Are you tired of encountering the [pii_email_9da9c31e7b4fa7a6979f] error while using your Microsoft Outlook account? If so, you’re in luck! In this comprehensive guide, we’ll provide you with a step-by-step guide on how to fix this frustrating error code.

What is the [pii_email_9da9c31e7b4fa7a6979f] Error?

Before we dive into how to fix the [pii_email_9da9c31e7b4fa7a6979f] error, let’s first understand what it is and why it occurs. This error code is a common occurrence among Microsoft Outlook users, and it can prevent you from sending or receiving emails. The most common causes of this error include:

  • Cache and cookie buildup
  • Incorrect email settings
  • Outdated Outlook software

Now that we know what causes the error let’s dive into how to fix it.

How to Fix the [pii_email_9da9c31e7b4fa7a6979f] Error

There are several ways to fix the [pii_email_9da9c31e7b4fa7a6979f] error, and we’ll go through each of them in detail below.

Clear Your Cache and Cookies

As we mentioned earlier, a buildup of cache and cookies is a common cause of the [pii_email_9da9c31e7b4fa7a6979f] error. Clearing your cache and cookies can help resolve the issue.

To do this, follow these steps:

Step 1: Open your Outlook application.

Step 2: Click on the three-dot menu in the top right corner.

Step 3: Select Options and then click on the Privacy tab.

Step 4: Click on Clear Cache and then Clear Cookies.

Check Your Email Settings

Another common cause of the [pii_email_9da9c31e7b4fa7a6979f] error is incorrect email settings. Checking your email settings can help you identify and fix the issue.

To check your settings, follow these steps:

Step 1: Open your Outlook application.

Step 2: Click on File and then Account Settings.

Step 3: Click on your email account and then click on Change.

Step 4: Check that your incoming and outgoing email servers are correct.

Update Your Outlook Application

An outdated version of Outlook can also cause the [pii_email_9da9c31e7b4fa7a6979f] error. Updating your Outlook application to the latest version can help fix the issue.

To update your Outlook application, follow these steps:

Step 1: Open your Outlook application.

Step 2: Click on File and then Office Account.

Step 3: Click on Update Options and then click on Update Now.

Use the Web Version of Outlook

If none of the above solutions work, you can try using the web version of Outlook instead. This can help you access your emails without encountering the [pii_email_9da9c31e7b4fa7a6979f] error.

To use the web version of Outlook, follow these steps:

Step 1: Open your web browser.

Step 2: Go to the Outlook website and log in.

Step 3: Access your emails from the web version of Outlook.

Additional Troubleshooting Steps

If you have tried all the above methods and still cannot solve the [pii_email_9da9c31e7b4fa7a6979f] error, then you might want to consider seeking assistance from a professional. There could be an underlying issue with your email program or computer that requires more advanced troubleshooting.

Contacting Microsoft Support is one of the best options to get help with this issue. They have a team of experts who are well-versed in troubleshooting Microsoft Outlook errors, including the [pii_email_9da9c31e7b4fa7a6979f] error. They can guide you through the steps to resolve the issue or provide you with a solution that works for your specific case.

Another option is to seek assistance from a local computer repair shop or IT professional. They can diagnose and fix any issues with your email program or computer that could be causing the error.

Frequently Asked Questions

Can I ignore the [pii_email_9da9c31e7b4fa7a6979f] error?

It is not recommended to ignore the [pii_email_9da9c31e7b4fa7a6979f] error, as it could lead to further issues with your email program or computer. It is best to resolve the error as soon as possible to ensure the smooth functioning of your email program.

How do I know if I have the [pii_email_9da9c31e7b4fa7a6979f] error?

The [pii_email_9da9c31e7b4fa7a6979f] error is usually accompanied by an error message that pops up on your screen when you try to open Microsoft Outlook. The message may read: “An unknown error occurred, error code: [pii_email_9da9c31e7b4fa7a6979f].

Will clearing my cache and cookies delete my emails?

No, clearing your cache and cookies will not delete your emails. It will only delete temporary data that your email program has stored on your computer.

What should I do if none of the methods work?

If none of the methods work, it is recommended to seek assistance from a professional IT technician or Microsoft Support. They can provide advanced troubleshooting and solutions that are specific to your case.

How do I access the Microsoft Outlook Web App?

To access the Microsoft Outlook Web App, simply open a web browser and navigate to the Outlook login page. Enter your email address and password, then click on the “Sign in” button. This will take you to the web-based version of Microsoft Outlook, where you can access your emails, contacts, and calendar.

Will using the Microsoft Outlook Web App fix the [pii_email_9da9c31e7b4fa7a6979f] error?

Using the Microsoft Outlook Web App can sometimes fix the [pii_email_9da9c31e7b4fa7a6979f] error, as it is a different version of the email program that may not be affected by the same issues. However, it is not a guaranteed solution and it is still recommended to try other methods first.

Can I fix the [pii_email_9da9c31e7b4fa7a6979f] error myself or do I need professional help?

It is possible to fix the [pii_email_9da9c31e7b4fa7a6979f] error yourself, especially if the issue is caused by a simple software conflict or outdated software. However, if the error persists after trying multiple methods, it is recommended to seek professional help from an IT technician or Microsoft Support.

What can I do to prevent the [pii_email_9da9c31e7b4fa7a6979f] error from happening again in the future?

To prevent the [pii_email_9da9c31e7b4fa7a6979f] error from happening again in the future, it is recommended to keep your software up to date, regularly clear your cache and cookies, and avoid installing conflicting software on your computer. You should also regularly backup your emails and other important data to avoid losing them in case of a software or hardware issue.


In conclusion, the [pii_email_9da9c31e7b4fa7a6979f] error can be frustrating to deal with, but it is not impossible to fix. By following the methods outlined in this article, you can troubleshoot and resolve the issue yourself. If these methods do not work, seeking assistance from a professional is recommended. Remember to always keep your email program and computer up-to-date to prevent similar errors from occurring in the future.

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