Fix Outlook Error [pii_email_07cac007de772af00d51]


Looking for the methods to Fix Outlook Error [pii_email_07cac007de772af00d51] code? Then this article is for you. Though MS Outlook is the most used email software’s nowadays due to its remarkable services, excellent security but sometimes technical errors can occur. If you’re facing an [pii_email_07cac007de772af00d51] error, you can resolve it by sticking to the below-mentioned steps.

Uninstall & again install the Microsoft Outlook:

Error [pii_email_07cac007de772af00d51] is usually common when your current version of MS is being corrupted or not functioning properly. To resolve this issue, you require to uninstall the program and reinstall it again. Follow the guidance below to reinstall the program.

  • 1st, open the control panel and go to programs and features.
  • Search Microsoft Outlook and Press on it.
  • Press uninstall present at the top of programs and features.
  • An uninstall window will open; follow the directions on it to complete the process.
  • Now reinstall the program.

Duplicate Accounts removal:

Also, Multiple accounts can cause error [pii_email_07cac007de772af00d51]. You need to remove duplicate accounts.

  • In outlook, open account, and settings.
  • You’ll find an option of messaging tab; there, you will be able to see the duplicate account.
  • Choose the option delete.
  • Now refresh your MS Outlook and check if the error has been resolved.

Repair program and features:

You can attempt to restore your outlook from the programs and features option. Follow the instructions below to repair the program and features.

  • Open the control panel & move to programs and features.
  • Search Microsoft Outlook/office 365 and pick that option.
  • At the top of the programs & window, Press the edit button.
  • A window will open, their select repair.
  • Follow the guidance that will be given to complete the repair process.
  • When finished, restart your system and check if the error is resolved.

Change server port number:

Here is another resolution to resolve the error [pii_email_07cac007de772af00d51]. To change the server port number, you require to

  • Validate Outlook.
  • Press the file and go to account settings.
  • Choose the email option there and pick your account from the given list.
  • On another window-pen, an email account will open.
  • From there, choose more settings and choose internet email settings.
  • Now, choose the advance tab.
  • From here, adjust SMPT number 465 to 587.
  • Save the changes, and you are done.
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Update Microsoft Outlook:

It is pretty possible the version of MS Outlook you’re using is not compatible with your system, and that’s why your MS Outlook is giving errors. For this, you require to update your email software to the latest version.

  • Your PC might have an older version install. You need to uninstall it right away.
  • Be assured to back up your necessary files before uninstalling it.
  • Now install the freshest version of MS outlook.

Troubleshooting method:

If you cannot resolve the error [pii_email_07cac007de772af00d51] up till now, you can try the troubleshooting method.

  • Press on the windows icon on the keyboard and go to settings.
  • Picked update and security method, there you’ll find the option of troubleshooting.
  • Press yes to activate the troubleshooting application.
  • Wait until the configuration is finished.
  • Now reboot your system and launch MS Outlook and see if it is working.


We believe that we assisted you in resolving error [pii_email_07cac007de772af00d51]. If still, you’re facing difficulties, you can contact Microsoft office customers care support.

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