Solved: Outlook 2016 Not Responding in Windows 10

Tracy King updated on Jul 29, 2019 to File Recovery | How-to Articles


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

Outlook 2016 Not Responding, how to fix?

Have you ever experienced this issue that when you try to open Outlook to check newly received email 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.

Outlook 2016 is not responding.

So how to get rid of the Microsoft Outlook not responding error without losing any files? And how to make it back to work properly again? 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. 

Useful Methods to Fix Outlook 2016 Not Responding in Windows 10 Without Data Loss

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. 

Method 1. Restore Outlook 2016 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.

1. Find the location where you used to save the PST files.
2. Only local saved PST files or Outlook folder can be found and restored. If you directly email from the app, the chance to restore will minimize.
3. Don't make any changes and apply EaseUS email recovery software to help right now.

Step 1. Run EaseUS email recovery software.

  • Select a location where you used to save the lost pst files on EaseUS Data Recovery Wizard.
  • Click "Scan" to let this software find lost PST files.
Scan lost PST files.

Step 2. Find PST files.

  • Use "Filter > Email" to quickly find your lost PST files.
  • Search with ".pst" can also help you quickly reach the PST file.
Find lost PST files.

Step 3. Recover PST files.

  • Select PST files and click "Recover".
  • Do remember to save them to a secure location on your PC.
Recover lost 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. 

Method 2. Start Outlook 2016 in Safe Mode

  • Step 1: Close Outlook.
  • Step 2: Launch it in safe mode:
    For Windows 10 users: Click "Start" > "Search" > Type: Outlook.exe /safe and hit Enter;
    For Windows 8 users: Open "Apps" menu > Select "Run" > Type: Outlook /safe and then click OK;
    For Windows 7 users: Choose "Start" > Type: Outlook /safe in the Search programs and files box and then hit Enter.
  • Step 3: Close Outlook and then open it normally. After this, you shall be able to use Outlook 2016 in Windows 10 again.

Method 3. Install the Latest Windows and Outlook Updates

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 tips below.

  • Step 1: Type: update in the Search box and click "Check for updates" or "Windows update" to open Windows Update.
  • Update Windows to fix Outlook not working issue.
  • Step 2: Click "Check for updates" > "Install updates".
  • Fix Outlook 2016 not working issue by update Windows.
  • And then wait for updating process to complete, restart Windows PC to see if Outlook can work or not.

If not, continue to update Outlook.

  • Step 1: Open Outlook and click "File".
  • Update Outlook 2016.
  • Step 2: 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.

Method 4. Repair Office Program  

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.

Method 5. Repair Outlook Data Files

The outlook may stop working or responding if Outlook data files have an error. You can follow 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 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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