Add 'Fix: "Cannot Start Outlook" Unable to Open Outlook Window Error'

Fix%3A-%22Cannot-Start-Outlook%22-Unable-to-Open-Outlook-Window-Error.md

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+This utility is not the professionals’ recommendation, as it comes with a lot of drawbacks. Before implementing this method to fix Outlook PST files, read its limitations for more insight. Power for providing "An Outstanding Customer Service Experience" for its Assisted Technical Support. J.D. Power 2024 Certified Assisted Technical Program, developed in conjunction with TSIA.
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+It might be that antivirus software is trying to block a function that is repeatedly trying to squeeze through the firewall. There are a number of causes to Outlook not working you can troubleshoot. If you want to learn how to fix Outlook issues involving a frozen screen, here are some things you can do. If nothing else fixes your Outlook search problem, then your Spotlight index may be corrupt.
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+We have recently received some reports of users who are experiencing issues with subscribing to .ics/ical calendars. To help you get rid of these duplicates, we have released a fix which will automatically clean up your contact list. This fix will clean up duplicate contacts for end users starting August 9, 2023.
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+This section introduces solutions that you can use when Outlook 2016 or Outlook 2013 is not opening. If none of the above steps methods to stop Outlook crashing work, the issue may be more complex or related to server-side problems that only Microsoft can resolve. Try these troubleshooting steps in the order presented here, from simple to more complicated.
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+Most times, this is caused by a corrupted search index, which you can rebuild. Keep in mind this does take a while, and it’s usually best done after the user has left for the day. Microsoft has its own tool for automatically scanning and correcting Office when things go awry. You can read about it and then run the Microsoft Support and Recovery Assistant to see if that helps. It can automatically diagnose issues, troubleshoot, and fix problems with Outlook.
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+Additionally, it permits users to convert the first 50 items per folder for free, providing a convenient way to test the tool's capabilities before committing to a purchase. The second possibility of receiving this error message is the synchronization issue. If your account has [methods to stop Outlook crashing](https://fixoutlookhelp.wordpress.com/2025/10/29/repair-outlook-ost-and-pst-files-2025-guide/) the latest version of Hotmail Outlook connector,still you are receiving this error message,then follow these steps to fix the synchronization issue. Opening Outlook in Safe Mode can help in bypassing issues caused by add-ins, extensions, or a corrupted user profile.
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+Below, you will see some of the most common issues that users run into, and what the most efficient way to troubleshoot Outlook is.Running Out of Mailbox Space. ...Outlook Crashes or Freezes on Opening. ...Recovering Deleted Items. ...Search Is Not Working. ...View Settings.
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+If you can open the original Outlook Data File, you might be able to recover additional items. The Inbox Repair tool creates a backup file with the same name as the original, but with a .bak extension, methods to stop Outlook crashing and saves it in the same folder. There may be items in the backup file that you might be able to recover that the Inbox Repair tool couldn't. In this guide, we will mention the common reasons behind the Outlook PST file corruption and the methods to repair corrupt Outlook PST file with complete integrity and precision.
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+We can fix the problem for you, or you can use the troubleshooting steps we're providing below to help resolve these startup issues. 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. The only thing is to know how to overcome them when they arise. Whether it's defective add-ins, frozen Outlook, faulty data files, and many others, you can manage all these problems yourself. Knowing the cause of the problem will help you sort out all the issues related to Outlook opening.
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+You can start Outlook in safe mode, disable your methods to stop Outlook crashing add-ins, and then try to open Outlook normally. If you can't open Outlook, or Outlook disappears or crashes, one of your add-ins may be to blame or you may need to update Outlook. Note that you can quickly tell how your mail is currently sorted, by the presence of a small triangle on the field headers.
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+Please install the Windows 10 Fall Creators Update to fix this issue. Outlook 2016 freezes when you try to preview an Excel file that's attached to an email. For more information about when builds are available for their respective channels, go to Update history for Microsoft 365. MAPI does not validate that a provider's DLL that it is requested to load is registered correctly in MapiSVC.inf or even that it comes from the local machine. This can be exploited by creating a file together with an OLE object in such a way to cause MAPI to load a DLL from a methods to stop Outlook crashing network share when the OLE object is activated.
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+If you have Outlook in your startup folder, remove the shortcut from the startup folder. To learn more about how to share your feedback, see How do I give feedback on Microsoft Office. Some users may not be able to empty their Deleted Items folder. While we fix the problem, methods to stop Outlook crashing you can send the file as a OneDrive link. We have multiple tools to help you automatically diagnose an issue, troubleshoot, and fix problems with Outlook.