"Not Implemented" Error in Microsoft Outlook Solved

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How to Fix Not Implemented error in Microsoft Outlook?

Encountering error messages while using Microsoft Outlook is very common. Like any other application, Microsoft Outlook is also prone to errors and unfamiliar issues which lead to serious problems. One of the most common Outlook errors is "Not implemented". You're likely to receive this error message while dealing with emails or clicking Send/Receive button. In this post, we'll discuss the root causes of this error message and how to resolve it.

Fix Not Implemented error in Microsoft Outlook

Common Reasons of Not Implemented Error & Their Solutions

Have you ever confronted this Outlook Not implemented error code? Have you ever tried to figure out the reasons behind this error message? Well, nobody can tell the exact reason. I've figured out few common reasons which might be responsible for the Not implemented error in MS Outlook.

Reason - Antivirus Scanner

If you're using the Antivirus scanner, you should disable it. This is the very first thing you should do. The Antivirus scanner always scans the email messages which you send and receive. It can definitely interrupt the email processes. You should disable the Antivirus Scanner.

Solution-

  • First, you can disable it within Outlook. Go to the Add-ins page, and remove it.
  • Secondly, you can disable it in Antivirus software.

Reason - Faulty Outlook Add-ins

Sometimes Outlook Add-ins can cause this Not implemented error message if they're faulty. It's highly recommended to check whether the Add-ins is causing this or not.

Solution-

  • Launch Microsoft Outlook program. On the taskbar, click the File tab > Outlook Options.
  • On the Outlook Options dialog box, click the Add-Ins tab in the list. Click the Go... button.
  • On the next dialog box, disable Add-in (one at a time) and close Microsoft Outlook.

Now restart Microsoft Outlook to check if the error is resolved. If the error is resolved, this means the Add-in you've disabled, is faulty. You should remove it permanently.

Reason - Incorrect Send/Receive Settings

If the Send/Receive settings are not correct, you're likely to receive this error message. You should better reset the send/receive settings. Go to this location

Solution-

C:\Users\%username%\AppData\Roaming\Microsoft\Outlook\

You'll find an SRS file there. Rename the file ".old". Now restart Microsoft Outlook. This will create a new SRS file automatically. To read more click MS Outlook Send Receive Error.

Reason - Corrupt/damaged Microsoft Office Installation

If the Microsoft Office installation is damaged, this error message will definitely pop up. So, you should repair Office installation.

Solution-

  • First, go to the Control Panel. Click the Programs and Features in the list.
  • On the Uninstall or change a program window, right-click Microsoft Office in the list and click Uninstall.
  • A message will prompt saying, "Are you sure you want to remove Microsoft Office from your system". Click OK to start the uninstalling process.

Once the uninstalling process is completed, you should reinstall Microsoft Office.

Reason - Corrupt Outlook Profile

An Outlook profile is not immune to corruption and other issues. If your Outlook profile is corrupt, you should create a new one and remove the old profile.

Solution-
  • First, go to the Control Panel. Click Mail in the list.
  • On the Mail Setup dialog box, click Show Profiles... button.
  • On the Mail dialog box, click Add... button and click OK.

Note: Make the newly created Outlook profile default one. You can remove this old profile.

Reason - Unknown Outlook Errors
Solution-

Microsoft provides the Inbox Repair tool to fix unknown Outlook errors. It's commonly known as the scanpst.exe utility. If nothing has worked for you to fix Outlook "Not implemented" error, you should run the scanpst.exe utility to scan Outlook data file. If any error is found, the Inbox Repair tool will fix it. Another best alternative is to use the SysInfo PST Repair Tool and get rid from this "Not Implemented Error in MS Outlook".

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