1 Fix error Outlook not opening in Windows 10
Trudi Sanor edited this page 2025-09-29 01:31:43 +08:00
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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.

For this, you have to start with repairing the Office installation itself. There can be instances that your Outlook profile is corrupted, recreate a new Outlook profile to resolve the issue. The steps to access the repair tool vary depending on your operating system.

This error may hamper your work and may create other issues as well. This happens because Outlook sometimes blocks unknown attachments to safeguard users data. Microsoft Outlook is a great email client, and there is no doubt about it. And just like any other program, problems are bound to happen with the MS Outlook application. I have often seen Outlook users complaining about the abnormal behavior of Outlook. Some say that Outlook hangs on loading profiles, or Outlook keeps freezing.

Repair an Outlook data file (.pst) fileExit Outlook and browse to one of the following file locations: ...Open SCANPST.EXE.Select Browse to select the Outlook Data File (.pst) you want to scan. ...Choose Start to begin the scan.If the scan finds errors, choose Repair to start the process to fix them.More items...

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...

Start classic Outlook in safe modeIn Windows 10, click Start.Type Outlook /safe, in the Search programs and files and then click OK.Close and re-open Outlook.If the issue is resolved, you can keep working, or if you have time, take the following steps to find out what COM Add-in is causing the problem.

If your internet connection is not stable, then there could be a chance that Outlook freezes when sending email. If it does and Outlook starts working properly, then most likely the problem is with one of your add-ins, which leads us to the next step. The first thing we need to do is kill all hanging Outlook processes. To do this, start up the Windows Task Manager either by pressing Ctrl + Alt + Del, or by right clicking the taskbar and choosing "Start Task Manager".

Outlook stores all your email messages, meetings and events, contacts, and tasks in data files. You can run the Inbox Repair Tool (scanpst.exe) to scan your Outlook data files and repair errors. Outlook caches various files to speed up your app experience. When you have issues with the app, its likely the apps cached files are corrupted.

Mithilesh also has a strong grasp on email migration & data recovery. He enjoys validating every component of the software, technical materials, and anything else that has to do with his working life. Whenever something goes wrong with Microsoft Outlook, it is strongly recommended to run Outlook in safe mode. If you run Outlook in safe mode, this will allow Outlook to be loaded without the add-ins and other customization files.

If it were me, Id run either Process Explorer or Process Hacker and check the CPU levels while watching the person work for a few minutes. My guess is its got some kind of real time updating going on thats hogging Outlooks 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 dont worry, were 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.

To run Outlook in safe mode, click on the Outlook icon by pressing the Ctrl key or enter "outlook.exe/safe" in the command line. After that, a confirmation message appears on the screen asking if you want to start Outlook in safe mode. Sometimes when a user tries to search in Outlook, it either returns incomplete results, or returns nothing at all, even if you can see the email normally. Most times, this is caused by a corrupted search index, which you can rebuild. Keep in mind this does take a while, and its usually best done after the user has left for the day.

Now, select from any of the given options, including Quick Repair and Online Repair. Outlook being a great platform, still encounters some glitches and errors like Outlook 365 not working on Windows 10. This error leads to less productivity, especially if Outlook 365 is your default email client. The only way to resolve this issue is to repair Outlook 365 in Windows 10.

But the problem arises when you dont know the correct way of doing it. Find solutions to common problems or get help from a support agent. If a Microsoft 365 application such as Word or Excel isn't working correctly, sometimes restarting it will fix the problem. If that doesn't work, you can try repairing it. When you're done, you might need to restart your computer. Now youll have a fresh profile that should work properly if the old one was common Outlook startup issues the problem.