Microsoft 365 Outlook Performance Issues Outlook classic for Windows Microsoft.

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Or, you can disable any antivirus software add-ins that are installed in Outlook. Be aware that if you are connecting to an Exchange Server mailbox, your mailbox or your email messages are already being scanned by antivirus software on the server. Optionally, if you have a Microsoft Exchange online archive, you can move items to that archive or create retention policies to automatically dispose of older items. For more information, see You may experience application pauses if you have a large Outlook data file. These issues might occur if a mailbox contains outlook keeps crashing fix lots of folders or there are lots of items in any one folder. There’s no hard limit to how many folders a mailbox can contain or how many items a folder can contain.

If you’re on a corporate network, some attachments might be blocked by server policies. Contact your IT administrator to verify if restrictions are in place and request assistance. Find solutions to common problems or get help from a support agent. Post questions, follow discussions and share your knowledge in the Outlook.com Community.

Running the /resetnavpane command removes all customizations to the navigation pane. Starting Outlook in safe mode, which starts Outlook without add-ins loaded, can tell you if an add-in is the source of the problem. After October 14, 2025, Microsoft will no longer provide free software updates from Windows Update, technical assistance, or security fixes for Windows 10. Your PC will outlook keeps crashing fix still work, but we recommend moving to Windows 11.

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. If you are having issues sending email, this might be due to validation issues with your Microsoft Account. We are aware that some users may not be able to receive email from Gmail accounts.

In case your Outlook PST is corrupt or damaged, you can always look for third-party Outlook PST Repair Tool to fix the issue. Inbox Repair Tool or ScanPST.exe is a free utility provided by Microsoft. However, for severely corrupted PST files, it’s recommended to use a third-party repair tool. In this regard, we recommend Kernel for Outlook PST repair tool to save your precious time. This kind of error usually outlook keeps crashing fix indicates some issues on the disk where your Outlook PST file is located.

If you have email messages in an email program, you must import your email messages and addresses to the new user profile before you delete the old profile. If everything is working correctly, you can now delete the old profile. Your user profile is a collection of settings that let you customize the computer appearance and performance.

We recommend setting Windows Update to automatically download and install recommended updates. Bug fixes, new features, and performance enhancements are released regularly. You must have at least three user accounts on the outlook keeps crashing fix computer to complete these steps. If your antivirus software isn’t up-to-date, Outlook may not function correctly.

Kinda at a loss at this point, I am thinking about wiping the PC and starting again. The next screen is the preview of all the recovered Outlook items and this concludes the repair process of a PST file using Remo Repair Outlook [PST]. If this method also didn’t work for you then follow the last and most effective method which is by using a Professional and efficient Outlook Repair Tool.

You can read how to fix your Outlook problem on the internet, but sometimes the suggestions don’t work for your specific case. So, we have produced this list of general things to try to resolve your problem in Outlook. Read on outlook keeps crashing fix to find out how to fix common Outlook problems below. To get support in Outlook.com, click here or select Help on the menu bar and enter your query. If the self-help doesn’t solve your problem, scroll down to Still need help?

When this registry key is set, Outlook will use its own built-in search engine. The built-in search will display the message below to indicate it is not using the Windows Search service. The issues documented in this section have been reported after installing the recent updates listed below.

If your antivirus software includes integration with Outlook, you may experience performance issues. You can disable all Outlook integration within the antivirus software. Or, you can disable any antivirus software add-ins that are installed in Outlook. This efficiently fixes the “Outlook freezes when sending email” error. Repairing your Office programs can resolve issues with Outlook not responding or freezing.

Not something you want to take on lightly, but sometimes you have to. Similar to our earlier suggestion of repairing Office (see #3 Repair Your Microsoft Office above), perform the same steps except choose to Uninstall. Be aware that you may need your product key if you received one. Microsoft has its own tool for automatically scanning and correcting Office when things go awry.

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