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How to Solve [pii_email_7e710fffb86b8d1d9420] Error Code?

We can send and receive mails through Microsoft Outlook; but just like other platforms, you can encounter some bugs in Microsoft Outlook too. [pii_email_7e710fffb86b8d1d9420] is a common error code that we can encounter, and it is primarily related to the installation process. Your existing software can block Microsoft Outlook, or you can face this sort of error difficulty while you are using multiple Microsoft accounts.

[pii_email_7e710fffb86b8d1d9420] error can be related to your SMTP server and you should check your network connection to find out the error and fix it. You can solve it by using a secured connection. Apart from that, you may also face similar outlook errors like [Pii_email_654fbfc0ac64aec32e9c], [pii_email_cb926d7a93773fcbba16], [pii_email_029231e8462fca76041e], [pii_pn_17f6a08852fce5e6], [pii_email_d1bf0eeb6e123178a1f1] and [pii_email_4e6c1205d3756f7c]. Here, you will find a complete guide on how to solve them.

What is the mistake [pii_email_7e710fffb86b8d1d9420]?

The [pii_email_7e710fffb86b8d1d9420] Error Code mistake is related to installation. Microsoft Outlook can conflict with other software that you already have on your computer.

What causes [pii_email_7e710fffb86b8d1d9420] Outlook Error?

One of the main reasons for [pii_email_7e710fffb86b8d1d9420] error is a problem related to your installation process. If you made any mistake during the installation of Microsoft Outlook, then this [pii_email_7e710fffb86b8d1d9420] error may occur.

Apart from that, using multiple accounts to access your Outlook can bring you such troubles.  To manage your email, you can use Microsoft Outlook only, and you should avoid using multiple applications for your mail tasking. Microsoft Outlook will conflict with third-party applications or software, and it may cause this [pii_email_7e710fffb86b8d1d9420] error on your screen. Plus, it is mandatory to install the latest version of Microsoft Outlook and Windows.

How To Fix [pii_email_7e710fffb86b8d1d9420] Error?

Method 1: Clear cache and cookies

To solve this [pii_email_7e710fffb86b8d1d9420] error, you can clear your computer’s cache and cookies. It is important, especially when you are using multiple Microsoft accounts from a single browser.

  • Log out from all your existing accounts and use a single account to log in.
  • Clear your previous caches. You can remove the broken links by clearing your caches.
  • Close and reopen your Microsoft Outlook App.
  • Do not keep multiple accounts or several windows opened.
  • Use the latest version of Microsoft 365.
  • If it requires any update, then install it and restart your computer.

Method 2: Repair your Microsoft Outlook

[pii_email_7e710fffb86b8d1d9420] error can occur due to software problems, and you need to repair the program to solve this issue. Follow the below steps to update your program:

  • Before you fix any error related to your program, you need to take a backup of your email.
  • Open the control panel.
  • Click on the “programs and features”.
  • You can find a program or feature that contains this [pii_email_7e710fffb86b8d1d9420] error.
  • Edit this corrupted program.
  • Now, open a new window and select the repaired tab.
  • Once you repair your program, restart your PC.

Method 3: Use updated version of Outlook

Do not skip the update notification showing on your Outlook account. If you do not use an updated MS Outlook version, then you can face errors such as [pii_email_7e710fffb86b8d1d9420]. The latest version of Microsoft Outlook will keep your data secure.

  • Open your Outlook account.
  • Upgrade your Microsoft Outlook version if any updates are available.

Method 4: Check Windows Antivirus Software

Antivirus software installed on your PC can block the access of your Microsoft or Outlook account, and [pii_email_7e710fffb86b8d1d9420] error may occur. Follow the below steps to solve this issue:

  • Go to the settings option on your PC.
  • Choose the “update and security” option.
  • Check the Window Security option.
  • You will find some threat protection tabs here.
  • Click on Manage Settings and disable Microsoft Outlook.

How to Fix Common Outlook Errors?

To solve the common Outlook errors, you can reinstall your Microsoft Outlook. It can fix such errors like [pii_email_7e710fffb86b8d1d9420]. If the error still exists, you can directly contact Microsoft for further instructions.


Now, you can fix the [pii_email_7e710fffb86b8d1d9420] error code by following the above-mentioned methods. Email is one of the most needed communication options for our daily works and such Microsoft errors can cut off your communication with others. Additionally, you can use the Microsoft Web App or visit the Windows 10 Troubleshooting Center to solve such issues.

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