Why Microsoft Outlook Showing Error Not Implemented & How to Fix It?

Outlook Showing Error Not Implemented

Microsoft Outlook throws various error messages and if they are not resolved soon, cause serious issues. Microsoft Outlook showing error Not implemented is one such error message that can occur sometimes after hitting Send/ Receive button in Outlook.

Microsoft Outlook Showing Error Not Implemented

This error degrades the performance of Outlook application and affects the work experience as it stops users from sending or receiving emails. Well, this is a common error that basically falls out due to profile issues and irregularities.

Files infected by Not Implemented Error

igdetect.dll 5.1.2600.2180, spopk.dll 6.1.7601.17514, winrsmgr.dll 6.0.6000.16386, System .Configuration.Install.ni.dll 2.0.50727.312, mshwkorrIME.dll 6.1.7600.16385, scredir.dll 5.1.2600.0, occache.dll 8.0.6001.18968, mxdwdui.dll 0.3.7600.16385, dpcdll.dll 5.1.2600.2180

Quick Solution: Microsoft Outlook showing error not implemented is a common issue that pop-up frequently with a small internal problem. To resolve these PST file data issues, it is better to use SysTools Outlook PST Recovery software to repair and recover Outlook PST data file items efficiently. The application helps to fix corrupted PST file problems without any data loss.

Why my Microsoft Outlook Showing Error Not Implemented Frequently?

As we have seen above, Not implemented error essentially caused by corrupted or damaged PST file in Outlook account. This error can corrupt all Outlook emails, attachments, contacts, calendars, notes, logs, and tasks. Some responsible factors that make a PST file corrupted are the following:

  • Damaged Storage Device - When hard drive of the computer is crashed, then PST files can get corrupted.
  • Network Problem - Network failure while attempting to access the Outlook information from any client machine, can damage PST.
  • Abrupt Shutdown - PST files can get corrupted due to a power cut or any other reason that results in an unwanted system shutdown.
  • Improper File System Recovery - When file system recovery process crashes in the mid then, it may cause corruption in PST file.
  • Virus Intrusion - Because of virus attacks, Outlook file can go into inaccessible state and after that users cannot access it until it is recovered completely.
  • PST File Size Exceeds limit - If PST file exceeds its maximum size limit then, it may cause corruption in PST file.

How Can I Resolve Not Implemented Error of Microsoft Outlook?

There are few manual solutions that can help you to resolve Microsoft Outlook showing error Not Implemented error message. Go through the 5 manual solutions to fix Microsoft Outlook issues.

  1. Send/Receive Settings change
  2. Disable Outlook Add-ins
  3. Create a new Outlook profile
  4. Disable Anti-Virus programs
  5. ScanPST.exe to fix PST file

Option 1. Reset Send/Receive Settings

SRS file saves all the information of send/ receive operations and this file can be useful to fix this issue. Below is how:

  1. Navigate to C:\Users\%username%\AppData\Roaming\Microsoft\Outlook\
  2. Rename the file from Outlook.srs to Outlook.srs old
  3. To get the access to the filename to restart your Outlook application

Option 2. Disable Faulty Add-ins

Sometimes the Add-ins also might cause Not implemented error in MS Outlook. Thus, it is essential to check if the Add-ins are the real cause for Microsoft Outlook showing error not implemented.

  1. Open Microsoft Outlook application and click on File >> Outlook Options
  2. In Outlook Options wizard, click on Add-Ins tab. Hit Go button
  3. Now, in the next window disable the Add-in and close MS Outlook application

Option 3. Create New Outlook Profile

Corrupted Outlook profile also results in error messages. So, if your Outlook profile is corrupted then, you can create a new one and remove the old profile.

  1. Open Control Panel on your computer and click on Mail
  2. In Mail Setup window, click Show Profiles
  3. In Mail wizard, click Add >> OK
  4. After this, make the new Outlook profile default one then, you can remove the old profile.

Option 4. Temporarily Disable Antivirus Program

Antivirus programs always scan for emails whenever receiving or sending. In some cases, it interrupts the email progress. Therefore, one should disable Antivirus Scanners to check whether they are causing Microsoft Outlook showing error not implemented problem.

  1. Open the antivirus protection software icon from the Windows notification area
  2. After locating the antivirus, hit a right-click on the icon and choose Disable/ Stop/ Shutdown or similar option

Note: Sometimes you may need to open the antivirus program and disable it via the program menu.

Option 5. Run Inbox Repair Tool

Outlook comes up with an inbox repair utility known as Scanpst.exe. This tool can check the integrity of Outlook file and can fix the unknown Outlook errors. Hence, if none of the above-mentioned methods works for you then, users can run Scanpst.exe to repair corrupt Outlook file.

Note: Locate the tool by searching ‘Scanpst’ in the Windows Explorer.

  1. Open Scanpst.exe tool and upload corrupt PST to it
  2. Click on Start and a list of errors will be displayed
  3. Eventually, to fix the Not implemented error of MS outlook click on Repair

Also Read:Hard Drive Not Showing in Disk Management Windows 7, 8, 10 - Solutions

Do You need an Alternative Quick Solution Instead of Manual Solution

Trying each and every Manual solution suggested above to fix Microsoft Outlook showing error not implemented problem and still not getting a proper solution!! Don’t worry. Manual solutions are trail methods to check whether the issues can be resolved by changing those settings in Outlook account. But it is not mandatory that, those methods may help you. But for guaranteed results, it is better to choose a reliable third party application to fix Outlook error code and messages efficiently. The Outlook PST Recovery tool can repair PST file corruption issues in Microsoft Outlook 2019, 2016, 2013, 2010, 2007, 2003 versions efficiently. The software is the most reliable and quick solution to fix MS Outlook issues.


How to fix Microsoft Outlook showing error not implemented, is one of the most asked queries of users. Hence, in this blog, we have come up with a complete solution to overcome this Outlook issue. Here, we have disclosed some actually working methods for the same, however, if no method resolves the issue then, it is possible that PST file is highly corrupted. In such case, Outlook Recovery Tool is the best option repair corrupted Outlook PST file and export it as PST, EML, MSG, HTML, Office 365. Also, the software is completely safe and secure to download and run.

See also section https://www.businessmodulehub.com/blog/best-microsoft-apps-for-business-in-2021/