Microsoft Outlook is without a distrust one of the most universal email client tools available today. This is why it is utilized by businesses of all sizes all around the world. Outlook, like any other piece of software, is tending to have bugs and issues. “10 Typical Outlook Issues”

As a user, these issues might be troubling at times. The error “Outlook not responding” or “Outlook not working” is typical. We have put together a comprehensive post that will answer all of your concerns. And help you cure this mistake and decrease your difficulties.

What impact does this issue have on Microsoft Outlook users?

The “Microsoft Outlook is not responding” notice shows on the title line of the applications window when an application or process becomes stuck in performance or gets a help stalemate.  The best solution most of the time is to wait things out, even if it is frustrating!

When this happens to Outlook, the stakes are significantly higher because you may be in the middle of a chat with a potential client at any time. More threatening, you could be waiting for an update to fix a necessary security defect when Outlook stops operating.

1. How to Resolve the Error “Microsoft Outlook is not responding” in Outlook:

A new instance of Outlook cannot be successfully launched if an existing Outlook process is stalling in execution. This is because one or more ‘outlook.exe’ processes may be executing in memory at the same time as you try to start another ‘outlook.exe’ process, causing a conflict.

Microsoft Outlook is not responding you can follow One of the first things to attempt is to use Task Manager to stop all ‘outlook.exe’ processes. This is why:

  • Right-click on the taskbar and select “Task Manager” from the context menu; you can also access it by typing Ctrl + Alt + Del on the keyboard.
  • Search for all processes with the word Outlook in their name in the Processes tab (primarily, processes naming  outlook.exe)
  • Select each process you discover by clicking on it once and then clicking on it again
How To Deal With ‘Microsoft Outlook Is Not Responding’ Error

2. Identify and uninstall any Outlook add-ins that are causing problems.

To improve the user experience, add-ins and customization files are installed in Outlook. However, malfunctioning add-ins can occasionally cause issues with Outlook’s usual operation. If Microsoft Outlook is not responding As a result, you should go there next.

Here’s how to tell if add-ins are causing the problem:

Start Outlook in safe mode by holding down the Ctrl key and clicking on the Outlook icon; you may also start Outlook in safe mode by typing outlook.exe /safe into the command prompt.

Note that starting Outlook in safe mode removes all add-ins and customization files.

  • If Outlook opens successfully, send/receive emails. Do any other action to rule out add-ins as the source of the problem.
  • Go to File -> Options -> Add-ins -> Go to find out which add-in is broken.
  • All add-ins will be unchecking due to the safe mode. Check add-ins one by one, restarting Outlook after each check. That add-in is to blame for any issues with Outlook’s startup.

3. Disable the antivirus software.

Antivirus software designing to keep your computer safe from all types of attacks. Some of the products are built to scan every outgoing and incoming email to your system in order to spot problems. Microsoft Outlook is not responding This may occasionally cause issues with Outlook’s normal operation. Furthermore, your antivirus software may label some add-ins as untrustworthy. And prevent them, causing Outlook to hang or crash.

Turn off your antivirus in the Control Panel. Check by restarting Outlook. If everything appears to be in order, you have identifing the source of the problem. To keep your antivirus and Outlook running smoothly. Add Outlook and all of its add-ins (that you trust) to the antivirus software’s trusted programs list.


To conclude, the “Microsoft Outlook is not responding” or Outlook not working error is not only frustrating but is also confusing. This means that determining the source of the problem and resolving it is difficult. Try out the solutions listed above to find which one works best for you.

If nothing works, the Outlook PST file might have been corrupted or severely damaged. Repair it with a reliable PST repair software calling Stellar Repair for Outlook Technician. The product will help you fix issues within the befouled PST and will also extract all data from it to store in a fresh new PST that you can directly import into Outlook.  Microsoft Outlook is not responding Apart from this, you can Split or compact PST files to avoid the error due to oversize.

Outlook Support Phone Number.
Toll-Free Number: +1 800-350-3208
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