Fix Microsoft Outlook not responding Windows [Solved]

In this article, we are discussing about “Microsoft Outlook not responding” Error in detail and providing some recommended solutions/procedures to fix this problem on Windows PCs/Laptops.

If you are facing this problem on your Windows 10/8.1/8/7 device and looking for the solution to fix it, you can follow our instructions. Let’s starts discussion.

What is “Microsoft Outlook not responding” Error?

“Outlook not responding Windows” is common problem that is generally appears on title bar of Outlook Window and as a result of it, the entire screen becomes translucent.

For those who are not aware, Microsoft Outlook is one of most versatile and popular email client tools/software nowadays. This application is used by organizations (either big or small organisations) worldwide.

Now comes to matter “Microsoft Outlook not responding” Error, many Outlook users reported about this bug/problem on Microsoft Official forum site and other popular platforms, and asked for the solution.

Users explained that this error message appears on title bar of Outlook Screen in the middle of their work. Due to this error, they have only option is to wait for a moment to fix automatically. But the error didn’t fix even after waiting for sometimes.

However, this error occurs on Outlook 2007, 2010, 2013 and Outlook 2016. When “Outlook” application or process get stuck in operation or researches a deadlock for resources, the “Outlook not responding” Error message appears on the title bar of Outlook window. It might possible to get this error in the middle of conversation with the potential client.

[Tips & Tricks] How to fix Microsoft Outlook not responding problem on Windows 10/8.1/8/7?

Procedure 1: Kill All Hanging Outlook Process using “Task Manager”

Step 1: Press “CTRL + SHIFT + ESC” keys together from keyboard to open “Task Manager” and click on “More details”

Step 2: Click on “Process” tab and find all “outlook.exe” items in the list

Step 3: Select each and hit “End Process” button

Step 4: Once done, please check if the problem is resolved.

Procedure 2: Start Outlook in Safe Mode

Step 1: Press “Windows + R” key together from keyboard to open “Run Dialog Box”

Step 2: In the opened “Run Dialog Box”, type “outlook.exe/safe” and hit “Enter” key.

Step 3: In confirmation dialog box, click on “Yes” to start Outlook in Safe Mode.

Procedure 3: Disable your Outlook Add-ins

Step 1: Click on “Start” button and type “Outlook” in Windows Search and open “Outlook”

Step 2: Now, Click on “File” or “Tools” Menu and then choose “Trust Center” or “Options”

Step 3: After that, select “Add-ins” and click on “Go”

Step 4: Now, uncheck all the Add-ins and click on “OK” to save the changes.

Procedure 4: Reduce the size of your Mailbox and Outlook Data File

Microsoft Outlook requires a lot of resources to be able to operate smoothly. If your Outlook Data file has largely grown in size, then you might face “Microsoft Outlook not responding” Error. So, you can reduce the size of your mailbox and Outlook data file. To do this, follow the steps below.

In Outlook 2010:

Step 1: Open “Outlook” App

Step 2: Click on “Info > Account Settings > Data Files tab”

Step 3: Now, click on “Compact” option

Step 4: Select your personal folder and then click on “Settings”

Step 5: Go to “General” tab and click on “Compact Now”

In Outlook 2013 and 2010:

Step 1: Right-click on your personal folder as Outlook or Archive

Step 2: Select “Outlook Data File” properties

Step 3: Click on “Advanced > Compact Now”

Procedure 5: Repair your Outlook Data files

Step 1: Close Outlook application

Step 2: Now, open “This PC”, “My Computer” or “Computer”

Step 3: Navigate to “C:\Program Files” and type “SCANPST” in Search box

Step 4: Double-click on “Scanpst.exe” and click on “Browse” to select “.pst” or “.ost” file you want to check

Step 5: Open the “options” dialog box to choose the scan options and click on “Start” when you are done.

Step 6: This Inbox Repair Tool spots any errors; it will prompt you to initiate the repair process to fix them.

Procedure 6: Repair Microsoft Office Suite

Step 1: Close all Microsoft Office programs

Step 2: Now, click on “Start” button and Click on “Control Panel”

Step 3: Click on “Programs and Features” and locate Microsoft Office in the list of programs

Step 3: Right-click on it and select “Change > Repair > Continue”

Step 4: Wait to complete the process. Once done, restart your computer and please check if the problem is resolved

Procedure 7: Create a new Outlook User profile

Step 1: Go to “Control Panel > User Accounts”

Step 2: Select “Show Profiles”

Step 3: Locate your corrupted Outlook profile and click on “Remove”

Step 4: Click on “Add” to create a new profile

Step 5: Specify the profile details and click on “Next” to proceed

Step 6: If you see the prompt “Allow this website to configure alias@domain server setting?……….”,  check “Don’t ask me about this again” and then click on “Allow”

You may also read: How To Fix Microsoft outlook has stopped working issue


I am sure this article helped you to “Fix Microsoft Outlook not responding on Windows 10” with several easy methods/procedures. You can choose/follow either one or all procedures to fix this issue.

If you are unable to fix Microsoft Outlook not responding problem with the solutions mentioned above, then it might possible that your System has infected with malware or viruses. According to security researchers, malware or viruses cause several damages in your computer.

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Samir Prakash Author