How to Fix the [pii_email_37f47c404649338129d6] Error Code in Microsoft Outlook?

Many users face the problem of “Error Code in Microsoft Outlook” and are not able to open or view emails on their email clients.

If you receive an error code in Microsoft Outlook and are unable to open your email, you may be wondering what the problem could be. It could be anything from a simple typo to a serious issue that requires immediate attention.

here are several reasons why you might encounter the [pii_email_37f47c404649338129d6] error code when trying to open an email attachment in Microsoft Outlook.

Here we will discuss the causes of the [pii_email_37f47c404649338129d6] error code and how to fix it.

How to Fix the [pii_email_37f47c404649338129d6] Error Code in Microsoft Outlook?

If you are facing the [pii_email_37f47c404649338129d6] error code in Microsoft Outlook, don’t worry. You can easily fix this error by following the steps below:

1. Check your internet connection

First of all, make sure that your internet connection is working properly. If you are using a wireless connection, try to connect to a different network.

2. Update Microsoft Outlook

If you are using an outdated version of Microsoft Outlook, it is possible that the [pii_email_37f47c404649338129d6] error code is caused by a compatibility issue. To fix this, simply update your Outlook to the latest version.

To do this, go to the Microsoft website and download the latest version of Outlook. Once the download is complete, install it on your computer and then try opening Outlook again.

3. Repair your Outlook profile

If the [pii_email_37f47c404649338129d6] error code persists, it is likely that your Outlook profile is corrupted. To fix this, you can try to repair your Outlook profile.

You can try repairing your Microsoft Outlook. To do this, you will need to go to your Control Panel and select “Add or Remove Programs.” From here, you will need to find Microsoft Outlook and click on “Repair.”

4. Check Your Email Address

The first thing you should do is check the email address you are using to see if it is valid. If you are using an invalid email address, you will see the [pii_email_37f47c404649338129d6] error code.

5. Clear Your Cache and Cookies

If you have recently updated your Microsoft Outlook, your old cache and cookies might be causing the [pii_email_37f47c404649338129d6] error code. To fix this, you can clear your cache and cookies. This is a temporary file that Outlook creates and stores on your computer.

Over time, this file can become corrupt and cause problems. To fix this, you can try deleting the Outlook cache.

To do this, go to the “ File ” menu and select “ Options ”.

From there, select the “ Mail ” tab and scroll down to the “ Empty Cache ” button. Click this button and then restart Outlook.

6. Use Microsoft Outlook in Safe Mode

You can try running Microsoft Outlook in safe mode. To do this, you will need to go to your Microsoft Outlook settings and disable all the add-ins.

7. Set up your Outlook account correctly

If the [pii_email_37f47c404649338129d6] error code is appearing because your Outlook account is not set up correctly, you can try setting it up again.

To do this, open Outlook and go to the “ File ” menu. From there, select the “ Add Account ” option.

Enter your email address and password, and then make sure the “ Manually configure server settings or additional server types ” option is selected.

Click “ Next ” and then select the “ Internet E-mail ” option. Enter the required information and then click “ Next ”.

Make sure the “ Use the same settings as my incoming mail server ” option is selected and then click “ Next ”.

Click “ Finish ” and then “ Close ”.

Restart Outlook and see if the [pii_email_37f47c404649338129d6] error code has been fixed.

8. Contact Microsoft Support

If you have tried all of the above steps and you are still seeing the [pii_email_37f47c404649338129d6] error code, you can contact Microsoft support. They should be able to help you fix the problem.

If you are using Microsoft Outlook and getting the error code [pii_email_37f47c404649338129d6], don’t worry. You can easily fix this error.


There are several reasons why you may be getting this error code. It could be because you’re using an old version of Microsoft Outlook, or it could be because your Outlook account is not set up correctly.

If you’re still getting the [pii_email_37f47c404649338129d6] error code, you can try one of the other methods listed in this article.

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