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Error Fixed [pii_email_37f47c404649338129d6]

Ways to Fix Microsoft Outlook Errors

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A vast number of users are experiencing an error message, indicating [pii_email_37f47c404649338129d6] while sending emails. It is an essential duty today to resolve all issues with Microsoft Outlook because most people use it as their primary email client. In addition to receiving emails from other websites and programs you have linked to it, Outlook is an amazing application. While sending emails, people continue to alert us to the problem.

Reason [PII_email_37f47c404649338129d6] occurs

A pop-up box continuously appears when they try sending an email, displaying the subject line [pii_email_37f47c404649338129d6]. Several factors contribute to the error messages popping up all the time when you try to send an email.

  1. Microsoft Outlook versions older than 2000 are the main cause.
  2. Error messages can be caused by cache and cookies.
  3. The record has the wrong settings.
  4. Conflicts with STMP servers are the main cause of this error.
  5. An incorrect installation of the software can be the primary cause.

Further, the error message may prevent you from receiving emails from people or websites after it pops up. However, you need not be concerned. This error can be solved quickly and easily by using some clever hacks.

See solution for [pii_email_36513d782f033d9a8074] if you’re facing this as well.

Here is a detailed look at how to fix the error [pii_email_37f47c404649338129d6] that people are experiencing.

Solutions to Error

Our guide covers the top six solutions that we believe are the easiest and work the best to correct this Microsoft error. If you follow these hacks, you will not be affected by any error messages when sending or receiving emails.

1. Updating Microsoft Outlook

You must first verify the version of Microsoft Outlook. Typically, the error appears in older versions of Microsoft Outlook that are already available. Updating Microsoft Outlook is the first step.

The following steps will guide you through updating MS Office.

  1. On your computer, open an application from Microsoft
  2. On the left-hand side of the screen, click Files.
  3. Navigate to Account by clicking on the Account button
  4. Select the Update option under Product Information.
  5. After you have selected Update Now, click on it.
  6. A dialog box will appear to let you know that Microsoft updates are available. When it’s completed, your ability to send and receive emails will no longer be hindered by error messages.

2. Change Server Port Number

It is possible to change the server port numbers to see whether the error [pii_email_37f47c404649338129d6] appears or not during prime working hours. Outlook users sometimes experience difficulties sending emails due to mismatched server port numbers. If you wish to change the port number of your server, here are simple steps that you can follow.

  1. Launch Microsoft Outlook.
  2. Select Files from the menu.
  3. Choose Account Settings from the drop-down menu when you click on the Account Setting button.
  4. The Email tab lets you choose the account whose port number you want to be changed.
  5. Once you have clicked the Change button, you can make your changes.
  6. A dialog box for changing accounts will appear. More settings can be found by clicking the More Settings button.
  7. Open the Internet Email Settings dialogue box and select the Advanced tab.
    The outgoing server (STMP) port should be changed in the box next to it.
  8. You can click Ok now.
  9. A new server port number will be assigned after these steps. Now that the error has been fixed, you can use Microsoft Outlook without experiencing any more frustrations.

3. Microsoft Outlook: Delete Duplicate Accounts

Microsoft Outlook still displays an error message if you have duplicate accounts. You should delete or remove these accounts. Managing multiple accounts at the same time is possible with Microsoft Outlook. Some users encounter this error when attempting to send an email when they see [pii_email_37f47c404649338129d6]. You might find this step helpful. Please follow these steps if you want to delete duplicate accounts.

  1. Launch Microsoft Outlook.
  2. Select Files from the menu.
  3. Choose Account Settings from the drop-down menu when you click on the Account Setting button.
  4. You can remove one duplicate account by selecting it in the Email category.
  5. To remove the item, click the Remove button.
  6. There will be one last confirmation dialog box. You will be prompted to click Ok.
    Microsoft Office no longer has your duplicate account. Now you can send emails. The problem may still persist, in which case you can attempt the next quick solution or contact the Microsoft support team.

4. Control Panel Fix

It is common for Office installation errors to need some repair. Your system may be showing error messages such as [pii_email_37f47c404649338129d6] as you try to send emails. In order to resolve the installation error, you must follow the below steps.

  1. Go to your taskbar and choose start.
  2. Open the control panel by typing it in the search bar.
  3. Choose Programs and Features from the list of options.
  4. The Uninstall Program option can be found under this tab. You can click on it.
  5. From the list, select Microsoft Office 365.
  6. Choose Change from the left-click menu.
  7. You will be able to fix the issue if you follow the on-screen instructions.
  8. Launch Microsoft Office after you have completed these steps. It is likely this time that you will be able to use Microsoft Office without any problems.

5. Review work requirement settings

You might be able to resolve the error message problem by changing your email settings. Email authentication is a good solution to this problem. You can follow the steps below to evaluate work requisite settings.

  1. On your computer, open Microsoft Outlook
  2. To open a file, click the File button.
  3. Choose Record Settings from the menu.
  4. On the left-hand side, click Email
  5. Your email account can be selected here.
  6. Following that, you must select an Outlook record.
  7. Select More Settings from the menu.
  8. Click on Web-Email Settings.
  9. On the following tab, click Active Worker.
  10. Click on the checkbox entitled My Outgoing Server (STMP) Requires Authentication.
  11. Once all the settings have been saved, click OK.
  12. This dialog box asks you to confirm. You are done when you click Yes.
  13. You can now try sending an email by restarting Microsoft Outlook. You will not have to deal with the issue in your Outlook account.

6. Install Microsoft Outlook again

As a last resort, you may reinstall Microsoft Outlook on your PC. Below are the steps for uninstalling Microsoft Office.

  1. Go to your taskbar and choose start.
  2. Open the control panel by typing it in the search bar.
  3. Choose Programs and Features from the list of options.
  4. The Uninstall Program option can be found under this tab. Go there by clicking.
  5. From the list, select Microsoft Office 365.
  6. Choose Uninstall from the left-click menu.
  7. When you are finished uninstalling, just follow the dialog boxes.
  8. Microsoft Office must be reinstalled on your computer after you uninstall it. Try running Microsoft Outlook after installing Microsoft Office. The error should not appear again while sending a message.

Other Effective Methods

If none of the above methods worked for you, use the following methods and they’ll surely fix the issue.


It is a utility for repairing damaged PST files from Microsoft Outlook. For this reason, you should follow these three simple steps to resolve this problem:

  1. Open your PC’s Windows Explorer
  2. Within the Microsoft Office folder, find the SCANPST.exe file
  3. As soon as the program is finished, run it on your computer to begin the repair.
  4. In your desired folder, create a backup and select the repair option.

Use Single Login

Having multiple Microsoft accounts logged in could explain why this error has come up. In order to resolve this issue, you should log out of all your accounts and sign in using just one account. Nevertheless, if the issue is permanently resolved, you may sign in from your other accounts.

Clear your cache and cookies

Caches and cookies can cause this type of error, as you know. You can resolve this issue by clearing the cache and cookies from your browser. Besides fixing common errors, this may also solve other issues.

Using pirated applications is not recommended

You may be experiencing this error if you’re using a pirated version of Microsoft Office. If you’d like to make sure you’re using the right version of Microsoft, you should use a licensed version.


Secure and sound working is made possible with MS Outlook. However, MS Outlook might also display the additional error [pii_email_37f47c404649338129d6]. Consequently, I have provided self-examined methods to rectify the error noted above. Using the following methods, anyone can fix this error in MS Outlook without any problems.

Let us know in the comments which method worked best for you.

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