How to Fix [pii_email_37f47c404649338129d6] Email Error?

4 Best Solutions

The email we all know and love is one of the most important parts of our daily lives. It’s a tool for communication, business, and even socializing. But like many things in life, sometimes it goes wrong. One common error that users encounter when they try to send an email is “[pii_email_37f47c404649338129d6] Email Error” which can be discouraging and frustrating as you’re not sure how to fix it or what caused it in the first place! Well fortunately for you today I’m going to share some tips on how you can solve this problem so your emails will stop giving you errors!

What is the Outlook [pii_email_37f47c404649338129d6] email error? 

The Outlook email error, also known as “[pii_email_37f47c404649338129d6]” is an error that appears when you’re sending mail to someone. This error pops up and says “[pii_email_37f47c404649338129d6] cannot be sent using the server (0x800ccc0e).”  This error can occur in any version of Outlook including 2007, 2010, 2013, and 2016 editions.

Why does Outlook give me this error message?

There are many reasons why you would receive this error message, and they can range from your internet connection not working to the wrong settings on your Outlook account. The main reason for the Outlook [pii_email_37f47c404649338129d6] email error is because there was a problem sending the message via the “” server. This means your internet service may not be working, or there is a problem with the SMTP servers.

Ways to fix [pii_email_37f47c404649338129d6] Email Error

Now that you know what causes the problem, it’s time to learn how to fix it. Here are some ways on how you can solve this problem: Make sure you have set up your email account properly. If you aren’t sure how to do this, follow the steps in our tutorial here. Some versions of Outlook require you to use SSL encryption when sending mail, so if your version does not support SSL protocol try turning it on and see if that works. Contact your internet service provider and ask them if there is a problem with your internet and if they can fix it.

Solution 1: Check For Duplicate Account

Sometimes your Outlook account may not be set up properly, or there may be an issue with it. If you have multiple accounts set up on your computer in Outlook in the same profile “Discovery” will try to send an email using the incorrect account. This is why sometimes even when you’re logged into one of your accounts it can send from another one.

To fix this problem you’re going to need to remove the incorrect account from your profile, then set up the correct Outlook account again. Here is how you do it:

Click on ” File” in the menu bar then click on “Info.” A new window should open, select the account that is giving you the error and click on “Remove.”

Click on the account that you want to use, then click on “Add Account” and follow the steps to set it up. Don’t forget to select the option for using SSL encryption if your version of Outlook requires it.

Solution 2: Check Your Connection

Another way to fix this problem is by making sure that your internet connection is working. You can do this by simply closing Outlook for now and trying to send the email again, or restarting your computer. If that doesn’t work then you’re going to have to contact your ISP (Internet Service Provider) because there may be a problem with your internet service.

Solution 3: Make Sure Your SMTP Settings Are Correct

One way to fix the Outlook [pii_email_37f47c404649338129d6] email error is by checking your SMTP settings in Outlook. If you set up your account using the wrong settings then that may be why you’re getting this error, so double check your account and see if they are okay. To do this:

Right-click on the account that is giving you the error and select “Account Settings” from the list. In the new window, click on “More Settings” In this section, make sure that SSL encryption is turned on if your version of Outlook requires it. If you see a pop-up window asking for an “Outlook Email Server,” leave it blank and click on “More Settings” again. Keep going down the list until you see a section that says “Outlook SMTP server.” In this section, make sure that the server is correct, if not then change it to (If you are using Office 365 make sure to put the server .) Also, under this section, you can see if there is another option for Outgoing Server (SMTP). If yes, make sure that it says 587, otherwise, change it to 587 and click “Ok” then try sending your email again.

Solution 4: Use SCANPST.exe

If you are getting this problem after changing your Outlook profile or adding another one, then you need to run the Scanpst.exe utility. The Scanpst.exe is a program that will fix corrupted data in your .pst files (storage of all the emails you’ve ever sent and received). So if that’s what’s causing the problem you should be able to fix it by running this utility.

Read Our Blog: Fixing the PII [pii_email_cbd448bbd34c985e423c] Error Code

Follow these steps to run the Scanpst.exe:

Go to “Start” then type “cmd” (without quotes) in search, then right-click on cmd and select “Run as administrator” When the Command Prompt opens, type “cd C:\Program Files (x86)\Microsoft Office\Office14” (or “Office 15” if that’s what you have) then press Enter. After that enter the command scanpst.exe.

Solution 4: Disabling the Antivirus and Windows Defender

Some Antivirus programs are known to interfere with Outlook email errors, probably due to the fact that they can all the incoming and outgoing emails you send. If this is your problem then you need to disable your antivirus program while using Outlook or Outlook Express.

If Windows Defender (only for windows 10) is causing enough problems, it’s best to just disable it.


The outlook email error [pii_email_37f47c404649338129d6] is a problem many people encounter, but it’s something you can fix. Follow the above-mentioned best solutions you will fix it. If you are not done with these steps then contact the outlook team for further help and solutions.

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