Start Outlook in safe mode to fix "Processing" screenIn 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.

After reinstalling, now it freezes constantly, even when not in use. Roughly every 5 seconds, the window freezes, grays out, and gives a "not responding" message--just as before. But it happens constantly without me even doing anything in Outlook now. Originally, the freezing would only occur when I actually tried to do something. So, if I tried to open a message, search my inbox, write a new email, go to the calendar, etc., it would freeze up for about 5-10 seconds at a time.

But the problem arises when you don’t know the correct way of doing it. If this method works, try disabling your add-ins and any recent customizations that you may have made in Outlook to permanently fix the issue. You might have either fixed your Outlook or the issue persists. If the issue continues to trouble you, then you have to continue with the solutions mentioned below.

The root cause was the deployment of an incorrect campaign data file, which led to false positive campaign detection. We have since reverted to the right data file and the outbound email flow has returned to a normal state. We also released a new rule that corrected the wrong campaign verdict for all impacted customers during the incident. If you're having problems sending or receiving email, read how to Fix Outlook.com email sync issues. Maybe you've added a new program to your computer that doesn't get along with Outlook, or your system has a virus.

If you used the workaround below you can now switch from using an Outlook.com alias to your country's domain. Then, each item in your calendar folder is checked for known problems that can cause unexpected behavior, such as meetings that methods to stop Outlook crashing seem to be missing. There is currently no option to revert to the prior behavior, but we would love to hear your feedback to help us with future designs.

One reason Outlook fails to launch is that you’ve installed faulty add-ins in the app. These add-ins may be working incorrectly, causing the app not to launch. If you can't choose any of the menu options, type inside an email message, calendar event, or contact, Outlook may have frozen. There are three steps you can take to try to get Outlook working again.

If you are having issues sending email, this might be due to validation issues with your Microsoft Account. We're aware of an issue where some users see the error message "Your message can't be displayed right now". Microsoft has released a Windows Hotfix file to remove the contacts folder synced by the Teams app. This fix will also lead to a reduction in the total number of contacts on your contact list. We will ensure that all information is retained and only contacts with matching information in all fields will be cleaned up. To check if you have received the fix, review your contact list to confirm duplicates have been removed.

How to Close Unresponsive Outlook on WindowsOpen Task Manager: Right-click on the taskbar and select "Task Manager" or use the Ctrl+Shift+Esc shortcut.Locate Outlook Process: In the Processes tab, find the "Outlook" process.End the Task: Right-click on the "Outlook" process and select "End Task."More items...

We will ensure that all information is retained and only contacts with matching information in all fields will be cleaned up. To check if you have received the fix, review your contact list to confirm methods to stop Outlook crashing duplicates have been removed. This issue has been mitigated and we are continuing to monitor the issue to ensure stability.

A more general version that can also fix Office, Microsoft 365, and other Outlook problems can be found here. Currently, you can't use Outlook on Windows to edit calendars that are shared with your Outlook.com account, even if you've reconnected your Outlook.com account to Outlook. We're working to make it possible to edit shared calendars in Outlook 2016 for Windows. We are aware that some users may not be able to receive email from Gmail accounts.

If it were me, I’d run either Process Explorer or Process Hacker and check the CPU levels while watching the person work for a few minutes. My guess is it’s got some kind of real time updating going on that’s hogging Outlook’s little slice of processor. Ifso facto, you can start looking for options that allow for this sort of thing and turn them off until it stops. If yes, then don’t worry, we’re here to fix it with effective solutions. Sometimes outdated or over-protective anti-virus / anti-spam programs can conflict with Outlook or with one of your Outlook add-ins. As a result, the anti-virus blocks the add-in and prevents Outlook from functioning properly.

Upgrade to Microsoft Edge to take advantage of the latest features, security updates, and technical support. To access the tool, open Control Panel and select "Uninstall a Program." You can start Outlook in safe mode, disable your add-ins, and then try to open Outlook normally.