Therefore, we must correct this error as soon as possible; otherwise, it may make our work difficult. To be fair, it is not a virus or any other troublesome programming error.

What is [pii_email_e6685ca0de00abf1e4d5] Error Code?

In simple terms, the error code pii_email_e6685ca0de00abf1e4d5 indicates that something is wrong with your MS Outlook program. The error code is displayed as soon as it stops working completely.

It is very annoying error that keeps popping up on the MS Outlook screen. There are many reasons why you may receive repeated error messages.

The leading cause of this error is related to the MS Outlook installation file. Once occurred this error can change your MS Outlook account from old to new and vice versa.

In rare cases, this can lead to incorrect commands from your email account. This error can also appear when the Simple Mail Transfer Protocol (SMTP) server encounters some technical problem on its server.

The error key pii_email_e6685ca0de00abf1e4d5 is difficult to trace. However, you can focus on other solutions to fix this problem permanently. You don’t need to go too deep into the technical side.

What are the Causes for the [pii_email_e6685ca0de00abf1e4d5] Error?

  • A corrupted file occurred at the time the program was installed.
  • A sudden technical error occurred during the installation of MS Outlook.
  • The technical problem lies with your SMTP (Simple Mail Transfer Protocol) server.
  • If you use multiple MS Outlook accounts on the same device.
  • On rare occasions, you may encounter <[pii_email_e6685ca0de00abf1e4d5]> in your MS Outlook due to a malware attack on your device.

1) Install the latest version of Microsoft Outlook

You should always install the newest version of MS Outlook. If you have already installed the earlier version, please backup all your data and uninstall it. The next step is to reinstall the latest version on your device from the official Microsoft website.

More information: Benefits of using Microsoft Office for students

A faulty installation of the mentioned program can trigger the error code pii_email_e6685ca0de00abf1e4d5. You can just fix this problem by deleting the master file from MS Outlook (old version).

We recommend that you purchase the OEM licensed version of the program for immediate technical support.

2) Don’t operate multiple email accounts in MS Outlook

MS Outlook does not work as a browser. They both have different APIs, functions, and features. You can easily operate multiple email accounts in the browser. However, you only need to use a single email account in MS Outlook.

Using multiple email accounts in MS Outlook can cause various technical problems, including this one. The best thing to do is to log out of all linked email accounts in MS Outlook.

Clear all history and cache of MS Outlook. Now you can easily log into your email account with the program. Hopefully, it will solve your problem.

3) Use Windows Automatic Repair Tool

Another easy way to fix this error is to run an automatic Windows repair tool on your MS Outlook. Once the program has been scanned and run, you must reboot the system. Hopefully you can now use MS Outlook.

4) Check your operating system

If you are using an enhanced Windows operating system, such as Windows 10 or higher, you can run the application on a different operating system. Check whether MS Outlook works fine or not in the downgraded version.

If it works, it is just a compatibility issue. You can continue to use MS Outlook on your degraded Windows operating system. However, we do not recommend using an older version of Windows.

5) Wait for MS Outlook updates

Sometimes the [pii_email_e6685ca0de00abf1e4d5] error goes away automatically with MS Outlook automatic updates. Check out these updates from time to time. Once your MS Outlook program is updated with the latest patches as they are released, this problem can be resolved.

6) Contact Microsoft customer service

If you are still incapable of resolving this issue after following all of the above, you should contact an MS support professional immediately for assistance. Microsoft offers its customers excellent support and service and helps you resolve this crisis.


In summary, we can say that the error code [pii_email_e6685ca0de00abf1e4d5] is a very regular but irritating error. If you watchfully follow the steps above, you can easily fix this error in a few hours. If the problem persists and you cannot resolve it, contact a software professional.

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