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Fix “Not Implemented” Error in MS Outlook on Windows – Quick Solutions

Published By Nilesh Kumar
Debasish Pramanik
Approved By Debasish Pramanik
Published On January 16th, 2024
Reading Time 5 Minutes Reading
Category Outlook Tips

One of the common error faced by the Outlook users is “Not Implemented” error. It occurs when a user tries to check for new emails by clicking Send/Receive button or try to send an email. There are ways to fix this annoying error. By the time a reader finishes reading this article, they will know how to fix “Not Implemented” Error in Microsoft Outlook on Windows.

Reasons behind Error
Errors create an issue while working as the whole process comes to hanging situation. There are some reasons due to one faces an error issue in MS Outlook as mentioned below:

1) Defective Add-ins of MS Outlook
2) Damaged Outlook Profile
3) Improper Outlook Installation
4) Unintegrated Anti-virus Software
5) Corrupted Outlook PST File

Solutons of Fixing error “Not Implemented”

Now that the reasons are known, the problem can be fixed accordingly. The following techniques can be implemented to resolve the issues. Take a look at the solutions one by one accordingly.

Solution 1: Disable Add-ins of Outlook in Safe Mode

Outlook Add-ins can often be the reason for many errors. Corrupt add-ins can affect the performance of Outlook and the error in discussion might be the result of some malfunctioning add-ins. Therefore, you need to disable all add-ins of MS Outlook.

Open Run dialog box in Windows, type Outlook /safe command and click Enter. The Outlook will be launched in Safe Mode with all the add-ins disabled.

Go to Options >> Add-ins >> Go. The list of all Outlook add-ins will appear. Unchecked all the boxes to disable all of them.
Now, click send/receive, or reply/ forward to find out if this worked or not. If yes then, the reason has been identified.

You can also try enabling one add-in at a time and checking send/receive and reply/forward every single time. Thus, you can find out the defected add-in.

Solution 2: Recreating SRS File to Correct Send / Receive Setting

The preferences and settings of personal Send / Receive are saved in SRS file. If this file is damaged, Outlook 2016 can show “not implemented” error. In that case, the SRS file setting has to be recreated:

Navigate to the location of SRS file which is:

Rename Outlook.srs files to something else, e.g. OldOutlook.srs
Now, restart MS Outlook 2016 and the SRS file will be recreated on its own.
See if the error still shows up or not.

Solution 3: Regenerate Outlook Profile

Any issue with the Outlook profile can be responsible for “not implemented” error. Use following steps to create a new Outlook profile.

Go to Control Panel. Find out and click Mail application.
Now, click Show Profiles.
Click Add button to create a new profile on the next screen.

Set up your Outlook account manually or automatically

Solution 4: Reinstall MS Office

Once in a while, installation issue in MS Office can give rise to this particular error. Reinstalling MS Office is a feasible solution to this problem.

First, open Control Panel and click Uninstall Programs.
Now, select MS Office and click Change.
In the next window, choose the option of Repair and hit Continue.
Note: The users of MS Outlook 2016, this method will not work. They have to use Quick Repair option or conduct an Online Repair.

Solution 5: Disabling Certain Features of Anti-virus

Anti-virus software is recommended for keeping the system free of any malicious attack. At times, these applications are set to scan all the emails. As a result, the process of send/ receive can be delayed. To avoid “not implemented” error from happening due to anti-virus, the setting that makes anti-virus scans all sent and received emails has to be disabled.

Solution 6: Repairing Corrupt Outlook PST File

The error “not implemented” can be caused by corrupt PST file. Repairing corrupted Outlook PST file is the only solution in that case.

Using ScanPST.exe
MS Outlook comes with an inbuilt inbox repair tool named ScanPST.exe. It is located in the installation folder of MS Office. You can launch it by double-clicking and follow the instructions. However, this tool is not equipped to fix severely corrupt PST files.

One-Stop Solution
To repair corrupted PST files easily, Outlook PST Repair Software Software can be used. The software is programmed to fix both minor and major PST corruption. The best thing about the software is that it does not require any technical knowledge to execute process.

Free Download Purchase Now

This application supports all Windows and Outlook editions to implement the process. The utility does not impose any file size limitation to execute the procedure. It preserves the data integrity and Meta properties after recovery.

Also Read: Outlook Data Cyclic Redundancy Check Error


The effectiveness of the above-mentioned methods has been proven already. If the users follow the instructions carefully, they will be able to perform the techniques, and subsequently, be able to fix “not implemented” error in Microsoft Office on Windows.


By Nilesh Kumar

As a Chief Technical Writer, I know the technical issues faced by home and professional users. So, I decided to share all my knowledge via this blog. I love to help you with challenges while dealing with technical jargon.