How To Fix [pii_email_37f47c404649338129d6] Error Code

If you find a solution to the Microsoft Outlook [pii_email_37f47c404649338129d6] error that occurs in your Outlook account? Then you are in the right place. Many MicrosoftOutlook users facing this type of Outlook error and dont know how to solve it? Microsoft Outlook is an excellent email service in the present time, and millions of people worldwide are using this email service on priority. 

Let’s discuss and find out what is [pii_email_37f47c404649338129d6] error and why it occurs and how we can fix it.

What is pii_email_error

The Microsoft Outlook PII stands for (Personally Identifiable Information) is the metadata applied to recognize a specific user or person. For Example, Email Addresses, Social Security Numbers, Postal code, and Phone Numbers are most usually reflected in Personal Identifiable Data.

But, with the Developing latest technology (Personally Identifiable Information) PII is fast increasing. The Login ID, IP Address, Biometric, Geolocation, Social Media, Digital Images, and Behavioral Data have also counted personally identifiable information.

Why [pii_email_37f47c404649338129d6] are occurring

There is no specified cause for this error. It can be one of the below or a collective of multiple reasons. Yet Microsoft hasn’t officially said anything regarding this error.

● Conflict of SMTP server configurations with the application and creating this error
● You are using an outdated MS Outlook version
● You are not using the correct record settings for sending emails
● If Cache and Cookies files Corrupted, then this error will be occurring
● Your POP3 server, instead of Outlook doing some issues.
● Your Antivirus is examining these emails as suspect activity and blocking the network.
● Firewall configurations also creating this error.
● There are chances you are receiving spam emails that began your Outlook application disruption.

How can we avoid this [pii_email_37f47c404649338129d6] error?

Before understanding how can resolve this error, we should be aware of how we can avoid this error in the future.
Some of the sensible precautions are:

● Forever keep SMTP server configuration updated
● Keep MS Outlook in auto-update
● Update Antivirus from time to time.
● Block and avoid the email address which are sending spam emails

How to fixed [pii_email_37f47c404649338129d6] Error Code?

METHOD 1: solved the error with Programs & Features Tab

We can try to fix the error in the programs and features tab by applying the auto-fix error option. Take the actions which are mention below to auto-fix the error:

  1. Go to the control board and check for the project sector. 
  2. Highlight all the working programs
  3. Visit Microsoft Office 365 and pick the Office application that you need to fix. 
  4. Press click on the “fix” button showing the Programs & Features tab. 
  5. After clicking the “fix” button, follow the steps which are mention in the dialogue box.
  6. When the process is completed, Restart Microsoft Outlook 

METHOD 2: Update Microsoft Outlook

Verify the latest and updated version of Microsoft Outlook installed in your system. One of the main reasons for this error [pii_email_37f47c404649338129d6]facing is An outdated version of Outlook. You must keep updating the Outlook app from time to time.

METHOD 3: Fix the worker requirement settings

Verify if the basic settings are set up correctly. You can check and correct the setting by following the steps given below if they aren’t set up correctly. 

  1. Click on file
  2. Select record settings option
  3. Go on the email tab
  4. Select a previous record
  5. Pick one of your email accounts from the dropdown
  6. Head on to the right-hand corner after picking the email and visit more settings option
  7. Go to the active worker tab
  8. Click on My outgoing server (SMTP) requires authentication
  9. Tick OK to save the settings. 

After saving the changes, Restart the Outlook app now 

METHOD 4: Delete Duplicate Accounts

Verify the email tab and observe whether duplicate accounts are existing or not. You must delete duplicate accounts from the email list by following the steps mention below.

  1. Click Menu
  2. Check the record settings
  3. Visit the email tab
  4. Check and Verify any duplicate emails in the list
  5. Please select an email account that seems twice and delete it from the app. 
  6. Restart the Outlook app to fix the [pii_email_37f47c404649338129d6] error. 

METHOD 5: Do changes to server port number

Sometimes, the error occurs because of a bug in the server port number because of many reasons. You must change the server port number to resolve the error. Take the actions provided below: 

  1. Click on Menu
  2. Open the record settings.
  3. Go to the email tab and choose the email address you want to change the server port number. 
  4. After choosing the email, a new email window will pop up. Click “more settings” on this window. 
  5. Go to internet email settings and click the advanced tab. 
  6. Change the Outgoing server’s (STMP) value to 587 instead of 465. 

Restart the Microsoft Outlook app and check if the error is solved.


This article explained the top 5 ways to fix Microsoft Outlook [pii_email_37f47c404649338129d6] error. If you want to use Microsoft Outlook on an immediate basis, you can also use Microsoft Outlook in the browser. But we are 100% sure that one of the above methods will work and fix the error code. 

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