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To Solve [pii_email_c1646d6cd617ef1be6ab] Error by 4 Method
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To Solve [pii_email_c1646d6cd617ef1be6ab] Error by 4 Method

Microsoft Outlook is an important part of communication in our life. We use it to send or receive emails from the sources we are associated with. Sometimes things go well and sometimes problems arise. Outlook also has too many problems or bugs and when we face some problems we try our best to solve them as there is a solution for all problems too. The [pii_email_c1646d6cd617ef1be6ab] error is also one of those errors and we will look at this to resolve it.


If you see the error code [pii_email_c1646d6cd617ef1be6ab], it means that Outlook is not working properly. So what can you do to make Outlook work properly? Here are some simple instructions:

4 methods to solve [pii_email_c1646d6cd617ef1be6ab]

Method 1: clear cache

  • Clearing the cache and cookies will delete your old strings and all data will be up to date. This can remove the damaged or stuck data packets.
  • Close Microsoft Outlook and open it again.
  • Close multiple accounts or windows if you are using them.
  • Check for Microsoft 365 updates. (Please update to the latest version)

If an update is required, update all messages and restart your PC. Now open Outlook and check if the [pii_email_c1646d6cd617ef1be6ab] error has been resolved. If it persists, try method 2.

Method 2: correct the Outlook version

The [pii_email_c1646d6cd617ef1be6ab] error may be due to the installation process where Outlook is conflicting with other email accounts or other software installed on your PC.
Hence, you may need to remove a broken version of Outlook from your PC and then install the latest version of Outlook from the Microsoft Outlook official website.

Method 3: use the web application

  • Go to Options in the top corner and select your version of Outlook Web App in the navigation pane.
  • Clear the Use Outlook Web App easy editing checkbox.
  • Save option.
  • Log into the Light Edition, then close and sign in to your account with a registered account.

Method 4: update Outlook

  • Make sure that your computer meets the system requirements for the latest version of Office.
  • In most cases, when you run Microsoft Office Setup on a computer that has an older version of Office installed, the older version is removed.
  • However, there are cases when it is necessary to uninstall, e.g. B. Errors or problems during installation.
  • If you uninstall Office before installing the new version, your Office files will not be removed. However, if your version of Office includes Outlook, you may want to back up your Outlook data files.
  • See Finding and Transferring Outlook Data Files from One Computer to Another.
  • Contact Microsoft support for further instructions.


This article should take you through the [pii_email_c1646d6cd617ef1be6ab] error. We tested our possible ways of solving this problem in Outlook. Hope some of the methods have worked for you. If you still have not solved the problem, please comment below and we will try to find a possible solution for you. You can also try getting help directly from the Microsoft support team.

Also Read: How to Fix Error Code [pii_email_11fe1b3b7ddac37a081f] in Outlook?

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