How to Fix [pii_email_37f47c404649338129d6] Error Code -Updated 2021


One of the most common errors faced by many users of Outlook express is “[pii_email_37f47c404649338129d6],” chances are that you must also have faced this issue. Well, today, we’re going to talk more about this error in this article and how you can fix it easily on your Outlook Express account. So, without wasting any more time, let’s go she [pii_email_37f47c404649338129d6]ad and dive into the subject.

Error[pii email 37f47c404649338129d6] while submitting an email that your Outlook account issued. With thousands and thousands of customers worldwide, Microsoft Outlook can be great and famous software and reliable email offers.

This Microsoft Outlook is used almost exclusively for sending and acquiring emails from numerous unique websites to which you may simply be connected.

6 easiest methods to fix error code [pii_email_37f47c404649338129d6]

A Windows 10 error that indicates the problem with Outlook Express or Windows Mail is a Microsoft Outlook [pii email 37f47C404448338129d6] error.

In this guide, we will map the error to six safe methods that could assist you.

Method 1: Fix Using Auto Repair Tool

If you didn’t know, your Windows has an auto repair tool that can diagnose a program and fix any problems. This method helps you to patch the Outlook software on your PC quickly and correct the error. The following are the steps to use the Windows auto repair app.

  1. Go forward and just right-click the icon on your screen “Start” or Windows.”
  2. Select the “Control Panel” option in the context menu and wait until it opens.
  3. Choose the ‘Functions and Programs’ option on the right-hand side of the control panel.
  4. The next screen lists all the programs that have been installed on your PC.
  5. Find the program [pii_email_37f47c404649338129d6] “Microsoft Outlook” in the list to continue.
  6. Tap on the button ‘Delete’ at the top of the window to choose the option ‘Fix.’
  7. All of the problems in the application are automatically solved by the repair tool.
  8. After the problem has been resolved, you should be able to send emails to others without complications, as before.

Method 2: Fix using Programs and Features Tab

Next, select the software and functions of the Auto Fix method to solve this error with Outlook Express:Make the search software and features on the Windows button.

Find the software and functionality for Microsoft Office 365.

At the front and thus the Features window of the application, press the edit button to pick “Repair” so the following advice is shown on screen.

When it’s over, restart the process to Outlook and check if the error code is removed; then try method 3 if it persists.

Method 3: Remove Cache and Cookies

Caches and cookies are critical. Cache and Cookies are a tiny piece of data that includes some data. Often, some problems can be developed. You have to clear and cache these cookies on a regular basis so that these files are not turned into junk files. [pii_email_37f47c404649338129d6]

To delete the cache and cookies, follow these steps.

  1. Get started with MS Outlook. Click. (Windows key) + R.
  2. A dialogue box would pop up.
  3. In the dialogue box, type:’ % localappdata % \Microsoft\Outlook’ and press enter.
  4. To see the cache files, browse the folder called RoamCache.
  5. Pick all the files (Ctrl+A) and then press the Remove All Junk Files button.

Method 4: Test for Duplicate Accounts and Delete Duplicate Accounts

Have you somehow not get the solution? We have to look at whether the accounts are duplicated. It is likely to be the reason for error[pii email 37f47c404649338129d6], and it may also be the possible solution to delete duplicate accounts. Follow the following alternatives.

  1. From the menu, open the account settings and click on the mailing tab.
  2. Inside the list, search for a duplicate account and select one.
  3. To urgently obviate a replica account, click Delete. Check out the picture below:
  4. Delete the Microsoft Outlook Duplicate Account

Then the problem could still be somewhat tricky; let’s go to the  5th approach and see if we’re solved.

Method 5: Change Server Port Number

  1. Open Outlook
  2. Click on the file and go to Account Setting.
  3. From the account settings, select the e-mail and choose your e-mail account from the list.
  4. A new Email Account window is about to be created.
  5. Go for more settings and click Settings for Internet Email.
  6. Click the Advanced Tab button
  7. Shift SMTP to Port Amount in Outlook SMTP Port Number Setting
  8. Restart Outlook after the settings are done and the error [pii email 37f47c404649338129d6] tends to be deleted if you are fortunate that the matter is resolved if we do not have method 6.

Method 6: Uninstall Outlook and after make Reinstall

You should try reinstalling Microsoft Outlook from your personal computer for the final move. Follow the steps below to uninstall the Microsoft Office software from your computer.

  1. Click on your taskbar’s start button.
  2. Write down the control panel in the search bar and open it.
  3. Click on the available Programs and Features option.
  4. You’ll find the option to uninstall a program under it. Only press it.
  5. From the list, pick Microsoft Office 365.
  6. Left-click and choose Uninstall.
  7. Follow any of the dialogue boxes, and the uninstallation is finished.
  8. You need to reinstall it on your personal computer once you have uninstalled Microsoft Office. Try running Microsoft Outlook by installing Microsoft Office.


To fix your problem in seconds, follow this move. Only look at your Server Specifications settings as the requirements are often not met and can therefore generate [pii email 37f47c404649338129d6] error.

Read More: How to Fix [pii_email_5ea5904f0f81c6bf4718] Error Code – Updated 2021


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