How To Fix [pii_email_37f47c404649338129d6] Error? 7 Ways to fix [pii_email_37f47c404649338129d6] error

This error is a server problem with a message that failed to connect with a server. It arises because the SMTP server is facing some problems while connecting users and may be caused by the wrong installation of software.

It occurs a lot of time and makes the user experience rough on Microsoft outlook and most people using outlook reported complaints about this error and asks how to resolve it on different platforms.

In this blog, you will get to know all about fixing methods of this error and how to resolve it in very effective ways. So read it whole to know more about this error as well as solutions.

What is [pii_email_37f47c404649338129d6] error?

Many reasons can be blamed for showing this error on and this error is a reason for low productivity while working. The major reason for getting this error is because of the SMTP server which is a simple mail transfer protocol and due to this, the above error comes up in outlook mail. But most of the users across the globe use Microsoft Outlook mail as their top priority mailing service so this error needs to be fixed in a very effective manner in making your task done hustlefree.

7 Ways to fix [pii_email_37f47c404649338129d6] error


Microsoft Outlook is the most compatible email service and so most users stick to it even after facing different issues related to this error. This email service cannot only be used for sending and receiving mails but also used for scheduling meetings and that is why it is the most popular service for daily professional communication.

Sometimes some wrong parameters, bugs, or duplicate accounts also caused this error so it is an urge to fix it as soon as possible. Here are the best ways which are clearly explained to resolve this error in your Microsoft Outlook account.

Solution #1. Make changes in server requirements settings

Step 1Firstly open the Microsoft Outlook on your computer screen.

Step 2Then open the account setting from the file option at the top.

Step3Select your main Microsoft outlook email account from the Email tab.

Step4Open mail settings from the option more.

Step5It will ask for authentication when you click for SMTP and this will solve the error if it is caused by this reason.

Solution #2. Check if problem caused by duplicate account

If there is more than one account present in your outlook then it is the urge to delete the others and leave only the main account to resolve this error.

Step1Search for the file option when you open Microsoft outlook.

Step2Open the setting option available and then click the Email tab.

Step3Check carefully if there is another account present in the email menu.

Step4If there is another account visible, choose the others to delete so that you have only the main account present.

Step5Restart outlook to check if still error is showing.

Solution #3. Auto repair tool to fix the error

Step1Open the control panel present at the start menu which is at the bottom of your computer screen.

Step2Go for the features and programs option where all your apps are visible.

Step3When you select the outlook app then repair it by clicking on the repair option in it.

Step4Restart the outlook app to check if the issue has been resolved.

Solution #4. Change the settings of antivirus

Sometimes your antivirus causes restrictions for your security but it will cause you problems in reaching some accounts so it is important to check your antivirus setting to take care of it.

Step1Open antivirus then click on the settings of antivirus from the options in it.

Step2Check for the outlook app in the antivirus and then look if any hindrance is created by antivirus in the outlook app.

Step3Then if it causes, disable all the restrictions caused by the antivirus.

Solution #5. Change the port number of the server

Step1Open the Microsoft outlook from your computer by clicking the tab of outlook.

Step2Check the settings of the outlook account by clicking on the File tab at the top.

Step3Look for your email account in the setting tab and open your email account.

Step4A new window opens when you click on your email account.

Step5Click on more settings and look for internet email settings in it to proceed further.

Step6Click on the advanced option and change the port of SMTP from 465 to 587 to resolve the issue if it is caused by this port problem.

Step7Click on the okay option to proceed further and this is the last step then restart the outlook to check if this was the issue for [pii_email_37f47c404649338129d6] error.

Solution #6. Uninstall and Reinstall the Microsoft outlook

The final way to solve this error is uninstalling and reinstalling to resolve it as a final alternative solution.

Step1Search for the instrument panel in the outlook window at the top.

Step2Click on the program and features from the instrument panel menu appears.

Step3search for the tab Microsoft window 365 and then doubletap on it to install it.

Solution #7. Contact support team

After going through all possible ways then contacting the support team is the last way to recover from this error so go to get actual problems if other solutions did not work.

Step1contact the Microsoft support team and tell them the error with screenshots then let them resolve it in the best possible way they can.

If this also causes the error and is not able to recover this issue then the last and final way is to use the web version of the outlook account and till then wait for that issue to be resolved soon.

Sometimes the reason for any error will be the volume of cache and cookies on your system so this is also the area to consider and go to clear all the cache and cookies pictures in your system to fix this problem of [pii_email_37f47c404649338129d6] error.


This error is so disturbing and is an obstacle when it comes to your important tasks but these above methods will help you out if you are facing this error so go for these methods carefully and observe how they will help you out in resolving it.

In this post, 7 ways are shared to resolve the error [pii_email_37f47c404649338129d6] you are facing for any reason mentioned above, so go through this to save yourself from this obstacle and get your important works or meeting which was stopped because of this error earlier.

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Torrance Mueller

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