Microsoft Outlook 2016/2013/2010 Not Responding in Windows 10/11 (5 Fixes)

If you are unable to open or use Outlook 2016 in Windows 10 PC, do not worry. This article offers you all the possible and practical methods to fix Outlook not responding in Windows 10, or Outlook gets stuck or keeps freezes in Windows 10 without losing PST email files.

Table of Contents

Quick Acces to Outlook Not Responding Fix

outlook not responding windows 10

If Outlook stops responding at a screen that says "Processing", you can close Outlook, start it in safe mode, then close it and open it normally to fix the problem.

  1. 1. Close Outlook.
  2. 2. Launch Outlook in safe mode by choosing one of the following options.
  • In Windows 10, choose Start, type Outlook.exe /safe, and press Enter.
  • In Windows 7, choose Start, and in the Search programs and files box, type Outlook /safe, and then press Enter.
  • In Windows 8, on the Apps menu, choose Run, type Outlook /safe, and then choose OK... Read More>>

5 Fixes to Outlook 2016/2013/2010 Not Responding in Windows 10

Have you ever experienced this issue that when you try to open Outlook to check newly received emails in Windows 10, the app gets stuck and not responding anymore? Or when you try to close the program, Windows would remind you that Microsoft Outlook has stopped working as shown below. If Outlook isn't stuck at a screen that says "Processing," or this didn't resolve your issue, continue to the steps below. Here in the below, you'll find several methods to fix Outlook not working or not responding in Windows 10. Read on to learn details. 

Workable Solutions Step-by-step Troubleshooting
Fix 1. Use Outlook Recovery Software Select the drive partition where you used to save the Outlook PST files and then click "Scan"...Full steps
Fix 2. Start Outlook in Safe Mode Close Outlook. Launch it in safe mode. Click "Start > Search" then type...Full steps
Fix 3. Install Outlook Updates Type update in the Search box and click "Check for updates" to open Windows Update...Full steps
Fix 4. Repair Office Program Close and quit all running Office programs. Enter Control Panel and...Full steps
Fix 5. Repair Outlook Data Files Open Windows File Explorer and go to C:\Program Files (x86)...Full steps

Before starting to solve Outlook not responding issue, you're highly recommended to try an Outlook data recovery tool to restore all PST in advance. Thus, you can avoid unexpected data loss caused by wrong operations. 

Fix 1. Restore Outlook 2016/2013/2010 PST Files with Outlook Recovery Software

As mentioned before, to avoid unnecessary PST file loss when Outlook suddenly stops responding, you'd better restore and create backups of important email files at first. Besides, when the Outlook data files have become corrupted or damaged, or your user profile has become corrupted, the Outlook may stop responding. In any of these cases, EaseUS hard drive recovery software can effectively help you to restore lost or corrupted emails in a few simple clicks.

Step 1. Select the drive partition where you used to save the Outlook PST files and then click "Scan".

select a location and click scan

Step 2. The software will start immediately for a quick and deep scan so as to find as many lost files as possible. To quickly locate the PST files, you have two options.

  • Use "Filter > Emails" > Tree View to find your lost PST files.
  • Search with ".pst" in the search box can also help you reach the PST file.
scan lost pst files

Step 3. Select the wanted PST files from the results, and click "Recover" to get them back all at once. Save it to another location.

recover lost pst files

Import PST/OST files into Outlook:

To retrieve your email to Outlook, do the following steps.

Step 1. Start Outlook. Go to "File" > "Open & Export" > "Import/Export" > "Import from another program or file" > "Open Outlook Data File". 

Step 2.  In the navigation pane, drag and drop the emails, contacts, other folders from .pst file to your existing Outlook folders.

recover PST files

If you're not afraid of losing data, or if you are sure that the Outlook data files haven't corrupted, you can use the solutions below to resolve Outlook 2016 not responding problem directly. 

Fix 2. Start Outlook 2016 in Safe Mode to Fix Outlook 2016 Not Responding

If Outlook stops responding at a screen that says "Processing," enter Safe Mode to solve Outlook 2016 not responding.

Step 1. Close Outlook.

Step 2. Launch it in the safe mode.

  • For Windows 10: Click "Start" > "Search" > Type: Outlook.exe /safe and hit Enter;
  • For Windows 8: Open "Apps" menu > Select "Run" > Type: Outlook /safe and then click OK;
  • For Windows 7: Choose "Start" > Type: Outlook /safe in the Search programs and files box and then hit Enter.

Step 3. Close Outlook, and open it normally. After this, you could use Outlook 2016 in Windows 10 again.

Fix 3. Install the Latest Windows and Outlook Updates to Fix Outlook Not Responding

If Windows or Outlook is outdated, it may affect you using and sending emails. So you can install the latest Windows and Outlook updates to fix the Outlook not responding issue.

To install the Windows update, try the tips below.

Step 1. Type update in the Search box and click "Check for updates" to open Windows Update.

Update Windows to fix Outlook not working issue.

Step 2. Click "Check for updates" > "Install updates". And then wait for the updating process to complete, restart Windows PC to see if Outlook can work or not. If not, continue to update Outlook.

Fix Outlook 2016 not working issue by update Windows. 

Step 3. Open Outlook and click "File".

Update Outlook 2016.

Step 4. Select Office "Account" > "Update Options" > "Update Now". If you are using Outlook 2010, select "Help" > "Check for updates".

Fix Outlook 2016 not responding error by updating Outlook.

Fix 4. Repair Office Program to Fix Outlook Keeps Not Responding

You can repair your Office program files to resolve such problems as Outlook freezing or not responding.

Step 1. Close and quit all running Office programs.

Step 2. Enter Control Panel and select "Programs and Features".

Repair Office program that cause Outlook not responding

Step 3. In the list of installed programs, right-click on Microsoft Office 2016 or Microsoft Office 2013 > "Change".

Step 4. Select "Online Repair" >"Repair".

Fix and repair not working Outlook

Wait for the repair process complete and then open Outlook to see if it gets back to normal or not.

Fix 5. Repair Outlook Data Files If Outlook Not Responding in Windows 10

The outlook may stop working or responding if Outlook data files have an error. You can follow the below tips to repair Outlook data files:

Step 1. Open Windows File Explorer and go to C:\Program Files (x86)\Microsoft Office\root\Office16.

Step 2. Open "SCANPST.EXT" > Click "Browse" > Select the .pst file you want to scan.

Repair Outlook data file that cause Outlook 2016 not responding

Step 3. Click "Start". Check "Make a backup of scanned file before repairing" box and click "Repair". Click "OK" when the repair process completes.

Repair Outlook data

When you open a file or send email messages in Microsoft Outlook 2016 or later version, Outlook stops working, Outlook freezes, or Outlook is not responding happens from time to time. To prevent data loss, it is necessary for you to back up Outlook emails regularly. If you don't want to do this work manually, you can resort to a professional Outlook backup software to help you automatically back up Outlook emails to hard drive with ease. 

Other Possible Fixes for Outlook 2016/2013/2010 Not Responding Issue

As the issue may occur for one or more reasons, therefore, you can try different approaches to solve the problem. 

  • Make sure that Outlook is not in use by another process.
  • Check possible add-in issues that interfere with Outlook.  
  • Check whether your mailbox is too large.
  • Check whether your AppData folder is redirected to a network location.
  • Make sure the antivirus software is not outdated, or it doesn’t conflict with Outlook.
  • Prevent Outlook from loading external content automatically, such as images in an email.

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Updated by Brithny

Brithny is a technology enthusiast, aiming to make readers' tech life easy and enjoyable. She loves exploring new technologies and writing technical how-to tips. On her spare time, she loves sharing things about her favorite singer - Taylor Swift on her Facebook or Twitter.

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Written by Tracy King

Tracy joined in EaseUS in 2013 and has been working with EaseUS content team for over 7 years. Being enthusiastic in computing and technology, she writes tech how-to articles and share technical solutions about Windows & Mac data recovery, file/system backup and recovery, partition management and iOS/Android data recovery.

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