Error Fixed [pii_email_11fe1b3b7ddac37a081f]

In the modern world, many users rely on MS Outlook to manage their emails, set up calendars, and create daily to-do lists. While Outlook has some great features, it’s also safe to say that it often runs into unexpected technical errors.

In the recent few months, many Outlook users have complained about encountering the [pii_email_37f47c404649338129d6] error. If you’re one of them, this guide will help. In this article, we are going to talk about the 4 most effective ways to resolve the [pii_email_37f47c404649338129d6] error in Microsoft Outlook.

Reasons that Cause the [pii_email_37f47c404649338129d6] Error

The [pii_email_37f47c404649338129d6] error is usually triggered when the SSL encryption fails to establish a secure connection to the server. However, there are several other factors that may trigger the said error as well. For instance, if the username or password is wrong, you won’t be able to authenticate yourself and the app will display the [pii_email_37f47c404649338129d6] error instead.

4 Ways to Resolve the [pii_email_37f47c404649338129d6] Error in Outlook

So, now that you’re familiar with the factors that cause the error, let’s take a look at the solutions that’ll help you troubleshoot it.

  1. Remove Duplicate Accounts

It’s quite possible that you’ve accidentally added duplicate accounts to the Outlook app and they are interfering with its normal functionality. If that’s the case, you can simply remove the duplicate accounts and this will fix the problem instantly.

Follow these steps to delete duplicate accounts in Outlook.

Step 1 – Launch the Outlook app on your computer and tap the “Menu” button.

Step 2 – Tap “Account Settings” and switch to the mailing tab.

Step 3 – Now, locate the duplicate accounts and delete the repetitive entries.

Now, relaunch Outlook and check if you encounter the same error anymore or not. Also Read: How To Solve [Pii_email_0bfcb9a988db03e8393e] Error Code

  1. Change Server Port Numbers

Another way to fix the [pii_email_37f47c404649338129d6] error is to change the server port numbers. There are many situations when users configure incorrect port numbers and encounter different types of Outlook errors.

Here’s how you can change server port numbers in Outlook.

Step 1 – Launch Outlook and go to “FileInfo >> Account Settings >> Manage Profiles”.

Step 2 – Then, click “Email Accounts” and double-tap the email whose server port numbers you want to change.

Step 3 – Tap the “Advanced” tab and change the SMTP port number from 465 to 587.

Step 4 – Click “Ok” to apply the changes.

So, that’s how you can change port numbers in MS Outlook to fix the [pii_email_37f47c404649338129d6] error.

  1. Disable Antivirus

If you’re still encountering the error, it’s quite possible that your Antivirus program is restricting Outlook from establishing a successful connection to the server. In this situation, the only way to fix the error is to disable the Antivirus program. Keep in mind that the steps to disable the Antivirus program will vary for each user, depending on the service provider.

  1. Reinstall Microsoft Outlook

In case none of the above-mentioned solutions work, there’s a huge probability that your Outlook app isn’t installed properly. In this case, you can either update the app to the latest version or reinstall it from scratch.


So, that’s how you can fix the [pii_email_37f47c404649338129d6] error in Microsoft Outlook. It doesn’t matter if you’re running the Outlook app or encountering the error on the web version of Outlook, the above-mentioned solutions will help you fix the problem.

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