How to Fix [pii_email_84e9c709276f599ab1e7] Error: Step-by-Step Solutions

Last Updated on 4 months ago by Nicky Johnson

Email is the fastest and most reliable way of communication. Many sources are used; among them, Gmail, iPhone, Apple Mail, and Microsoft Outlook mailing are on the top three levels.

They facilitate the users with secure connection for sharing personal & official documents and data. Here we will discuss Microsoft Outlook and errors that Outlook accounts may face while transferring email.

Outlook mailing server provides a fast mailing process which is why businessmen most like this. But sometimes, due to any cause or malfunction, an error code appears in the Outlook account that stops its operation.

[pii_email_84e9c709276f599ab1e7] error code is one error code that shows some problem in the mailing operation. People need help sorting out this error. This article will explain how to solve the [pii_email_84e9c709276f599ab1e7] error.

Microsoft Outlook software is integrated software that performs a lot of functions. But among them, the most prominent is the email client quality of Outlook.

Appearing the error codes may be due to many reasons. There is no specific- defined reason for a specific error code. The important is to resolve the error as fast as you can. During that time, you can continue the mailing through a webmail client instead of the email client.

[pii_email_84e9c709276f599ab1e7] error:

Sometimes when you send any important message, suddenly, this error shows on the window screen, which is very disturbing at that time. It is basically due to poor installation of the programs.

Its error stops the operation of the Outlook software on the main screen. Furthermore, it occurs mainly due to many reasons.

  • [pii_email_84e9c709276f599ab1e7] error may occur if you are using many email clients or applications at the same time.
  •  The access data stored due to opening several search engines on Google, called cache data, also becomes the cause of this error.
  •  The corrupted files of the Microsoft Outlook app also cause this error.
  •  Improper email client working or using multiple accounts on the signal server also leads to such errors.
  •  Improper installation of Microsoft Outlook also pops up [pii_email_84e9c709276f599ab1e7]

How to solve [pii_email_84e9c709276f599ab1e7] error

The methods to fix [pii_email_84e9c709276f599ab1e7] errors are easy and simple. The

How to solve [pii_email_84e9c709276f599ab1e7] error?

Method#1; Delete the cache files and data:

The cache data is the biggest source of the generation of error codes. So to resolve [pii_email_84e9c709276f599ab1e7] error first, delete the cache data of Microsoft Outlook.

  • After cleaning the cookies, close your Outlook account.
  •  Shut down the window of the PC and restart it.
  •  After restart, you will get [pii_email_84e9c709276f599ab1e7] an error-free computer or PC.

Method#2: Upgrade the Outlook account:

If you have an outdated version of the Microsoft Outlook software, then you need to upgrade it. The old version of Microsoft Outlook also creates an error in the mailing process.

A Simple upgrade of the Microsoft Outlook app removes errors, and you can work properly.

  • You can update the latest version in the following way.
  •  Open your Outlook account
  •  Navigate to the file menu
  •  By clicking on the help option, you will find the latest version of the Microsoft Outlook app
  •  Click on the Update option and wait for the completion of the process.
  •  Now restart the system. It will sort out your error issue and give you an updated version of Microsoft Outlook.

Method#3: Removal of other email applications

If your PC has another email account acting as a third party, it can also be because of the popping up of the [pii_email_84e9c709276f599ab1e7] error.

You need to uninstall the third-party email client. It will remove the error and improve the Outlook webmail’s performance.

But if you have no other email app, you can skip this step.

Method#4: Check your Outlook settings

Installation of the programs from unknown resources pops up an error code. So check the outlook setting and makes some changes.

  • Open your Outlook account
  •  Click on the tool menu
  •  Choose the one email account that has [pii_email_84e9c709276f599ab1e7] error and select properties
  •  You can also check by the ID per email server
  •  Open the output server tab and ensure the authentication of the Outlook server
  •  SMPT and POP settings should be the same as the hosting provider
  •  Now after making changes press ok to save them.

Method#5: Use of Microsoft web app:

If you cannot resolve the trouble after applying all the above methods, then you can download the Microsoft web app.

A Microsoft web app is present at the top right corner of the navigation bar.

  • Click on the Outlook web
  •  Select the light version from the Microsoft web app clean
  •  Save options and sign in for the light version
  •  Close it and then sign in from the registered account free of error.

Method#6: By automatic repair tool

You can use an automatic repair tool to resolve the [pii_email_84e9c709276f599ab1e7] error. This automatic repair tool detects the error code and decodes it. Then it fixes the error and makes the Outlook email client error-free.

  • From the control panel, select features and software
  •  Find MS Office 365 from the program
  •  Click on its feature, then
  •  Click on the repair button
  •  It will automatically resolve the error by taking sometime

Method#7: Clean the PC with the cleaning app

Certainly, due to DNS data and files, the PC cannot operate the function. In this case, download a PC cleaning app such as CCleaner or any other that can clean all the browsing data on the PC.

It will remove the [pii_email_84e9c709276f599ab1e7] error and leave space-free for other files.

Method# 8: Take Help from Microsoft Customer Support:

Microsoft provides this 24/7 service for the help of users. In case you cannot remove data, as Microsoft customer support for help. It will ask queries and give you the best solution to your problem.


If you are an IT professional or expert in computer applications, removing the [pii_email_84e9c709276f599ab1e7] error is not a big deal for you. You can resolve your issue well by applying any specific method or more.