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How to fix outlook isn’t responding, is stuck in “Processing,” freezes, or freezes.

If Outlook stops responding at the screen that says “Processing” You can close Outlook and start the program in safe mode. Then turn it off and then on again normally to resolve the issue.

1. Close Outlook.

2. Run Outlook in safe mode by selecting one of the following options.

In Windows 10, select Start, type Outlook.exe /safe, and press Enter.

In Windows 7, select Start and in the Search programs and files box, type Outlook /safe and press Enter.

In Windows 8, on the Apps menu, select Run, type Outlook /safe, and then select OK.

3. Close Outlook, then open it again normally.

If Outlook isn’t stuck on the screen that says “Processing” or this method cannot solve the problem. Follow the next steps below.

Step 1: A dialog box opens?

Some things you do in Outlook will ask for confirmation. For example, the first time you try to cancel all reminder items, Outlook will ask you if you want to do that. If you don’t select an option in that dialog box, Outlook won’t let you do anything else. Check open dialog boxes. Pressing Alt+Tab lets you switch from one window to another. and helps you see which dialog boxes might be stopping Outlook from responding.

If you can’t find an open dialog box Proceed to the next step.

Step 2: Make sure Outlook isn’t running in a large or time-consuming process.

If you try to delete or move many messages at once, Outlook may appear to crash, but it’s actually running in the background. Check the status bar at the bottom of the screen if Outlook is processing hundreds or thousands of messages simultaneously. It may seem stuck. Give Outlook a few minutes to complete the process. and should start working again.

If Outlook isn’t performing a large or time-consuming task Proceed to the next step.

Step 3: Install the latest Windows and Office updates

Outlook works best when it’s up to date. We recommend setting Windows Update to automatically download and install recommended updates. Bug fixes, new features, and performance improvements are released regularly.

To install the latest Windows and Office updates, see Install Office updates.

If installing the latest update doesn’t fix the problem Proceed to the next step.

Step 4: Repair your Office programs

Repairing your Office programs can fix Outlook not responding or crashing issues. Errors in Microsoft 365 files are automatically repaired.

Quit any running Microsoft 365 programs.

In Control Panel, select Programs and Features.

in the list of installed programs Right-click Microsoft Office 2016 or Microsoft Office 2013 and select Change.

If repairing your Microsoft 365 program doesn’t fix your issue Proceed to the next step.

Step 5: Repair your Outlook data files

When you install Office, it includes an Inbox Repair tool. (SCANSPST.EXE) is also installed on your PC. Inbox Repair Tool can fix problems by scanning Outlook data files and repairing errors.

To use the Inbox Repair Tool, exit Outlook, go to Repair Outlook Data Files (.pst and.ost), and follow the relevant steps.

If repairing the Outlook data file doesn’t fix the problem Proceed to the next step.

Step 6: Create a new user profile

Your profile stores your settings. That controls the appearance of Outlook. You can create new profiles. Then add your email account to the new profile.

Close Outlook.

Select one of the following:

In Windows 10, select Start, type Control Panel, and press Enter. Select User Accounts > Mail > Show Profile.

In Windows 8, open the Apps menu and select Control Panel > Mail > Show Profiles.

In Windows 7, select Start > Control Panel > Mail > Show Profiles.

Select Add, and in the Profile name box, type a profile name, and then select OK.

Enter the email address and password for the primary email account you use in Outlook, then follow the steps to create a profile.

Once your profile is created On the Show Profiles dialog box, select Prompt profile to use.

Start Outlook and select your new profile.

If creating a new profile solves your problem, You can return to the Show Profile dialog box and delete your old profile.

Credit : https://support.microsoft.com/en-us/office/outlook-not-responding-stuck-at-processing-stopped-working-or-freezes-5c313d04-64af-4441-82d2-44e5a43eee5a