Fix “Microsoft Outlook Not Implemented Error”

Summary: In this guide, you will know about the Microsoft outlook not implemented error, its causes & solutions. Along with this, we will share the reliable methods to fix the Outlook not implemented error in Outlook 2019, 2016, 2013, 2010, 2007, etc.

Generally, we get not implemented error in Outlook, when we click on the send/receive, reply/reply all, forward option or compose a new email in Microsoft Outlook. Due to this Microsoft Outlook not implemented error, we can’t perform any key operations.

Why Outlook Not Implemented Error Occurs?

1. Faulty Outlook Add-ins.
2. Damaged Outlook Profile.
3. Outlook Plugins issues.
4. Improper installation of MS Office/Outlook.
5. Issues with Outlook updates.
6. Corrupt Outlook PST file.

Perfect guide to fix slow email receiving error in Outlook.

Fix “Microsoft Outlook Not Implemented Error” Manually

Here we have mentioned all the possible solutions to troubleshoot not implemented error in Outlook 2019, 2016, 2013, 2010, 2007, etc. Follow the step-by-step instructions to mitigate not implemented errors.

1: Disable Outlook Add-Ins to Fix Not Implemented Error

Some of the incompatible or faulty Outlook add-ins disturb the Outlook performance and can cause Outlook Not Implemented error. Therefore, the issue can be resolved by disabling the interfering Outlook add-ins and plug-ins.

To disable the Outlook add-ins, you need to launch Outlook in safe mode. Follow the steps to do same:

1. Close Outlook > Press Windows+R.
2. Type outlook.exe /safe > Hit Enter key.
   Once Outlook is launched in safe mode, proceed to the next steps.
3. Click File > Options.
4. Select Add-Ins > Select COM Add-ins from the dropdown > Hit G.
5. It will open the ‘COM‘ Add-Ins page.
6. Uncheck all the checkboxes, and click OK to disable all the Add-Ins.
7. Finally, close Outlook and launch it normally.

Now, check by sending an email, and see if the Outlook error “Not Implemented” is resolved. If the issue still persists it means one or more Outlook Add-Ins were causing not implemented error.

1. To analyze which Add-ins are creating an issue, enable one Add-In and restart Outlook.
2. Once done try sending an email to see if the error occurs again.
3. Repeat this process for all the Add-Ins.

2: Create a New Outlook Profile to Fix Outlook Not Implemented Error

Creating a new account in Outlook will resolve not implemented error in Outlook with the existing Outlook account. Follow the steps to create a new profile on Microsoft Outlook. This method is applicable on all the Outlook 2019, 2016, 2013, and lower versions.

Note: It is recommended not to delete your existing Outlook profile until the new profile is created.

1. Click on the control panel>>Select Mail.
2. Click Show Profiles on the window that opens.
3. Click Add. This opens a New Profile box.
4. Assign a name to the profile under the Profile Name text field, and click OK.
5. On the window that opens, type your name, email address, and password (if prompted).

Note: In case you are using Outlook 2007 or Outlook 2010, you will see a password field in addition to the Name and Email Address fields. To proceed, provide the password in that field.

Automatic steps by selecting the Email Account option to avoid setting up the profile manually.

1. Click Next & follow the instructions.
2. Launch Control Panel once again.
3. Click Show Profiles>Select Prompt for a profile to be used and click OK.
4. Launch Outlook now by choosing a New profile.
5. Try to send an email and see if the Not Implemented error in Outlook is fixed.

3: Repair MS Office / Outlook to Fix Outlook Not Implemented Error

Another reason for the Microsoft Outlook Not Implemented error is when your Outlook installation is broken. And also, if you have two versions of Outlook installed on your system.

For instance, you have installed Outlook 2013 and still have a previous version such as Outlook 2007 or Outlook 2010 on your machine. In such cases, repairing the Office/Outlook app might help fix Outlook not implemented error.

Follow the steps:

1. Go to the Control Pane >>Click Programs and Features.
2. Select the installed Office app or Outlook app (if standalone).
3. Click Change or Modify (You’d be able to see any of these options).
4. Click Repair.

If you still receiving Outlook not implemented error even after applying the above methods, this indicates that your Outlook PST file is corrupt.

4: Use Software to Deal With Corruption Issue

If the PST file of your Outlook is extremely corrupted, then it is recommended to use this reliable tool to repair the corrupt PST file and fix Outlook not implemented error.

The tool will help you to fix all logical issues in your Outlook PST file. It is also a safe utility. You can use it for Microsoft Outlook 2019, 2016, 2013, 2010, 2007, and below versions.

Explained all possible solution to fix Outlook not implemented error.

Final Thoughts

This blog resolves one of the issues such as the “ Microsoft Outlook not implemented error” that you may face while performing any operations in Outlook. There are several reasons due which users face this issue in Outlook 2019, 2016, 2010, 2013.

We have mentioned all the causes along with the resolution to fix this issue. However, the issue can’t be fixed if the PST file is highly damaged. Hence, we have recommended a professional tool that can resolve the not-implemented errors.