How do I stop Outlook from crashing?

In most cases, there could be faulty Add-ins that cause Outlook to not respond, freeze, or even crash. If Outlook crashes on your system, you should try to troubleshoot it in the Safe Mode. This will help you identify the faulty Add-in (if any). Apart from that, you may also experience crashing or freezing problems with Outlook if your Outlook profile is corrupted. You can confirm this by creating a new profile. If this fixes the issue, you have to move all your emails from the old profile to the new one and delete the old (problematic) profile.

Fix Outlook crashes when sending an email

This problem generally occurs if you have a POP3 account and Microsoft Exchange Server mailbox in the same profile. However, the users with no Exchange Server account may also experience this problem. If Outlook crashes on your system while sending or replying to an email, the following tips may help you fix it: Let’s see these solutions in detail.

1] Change the delivery location of your POP3 email account

As we have explained earlier in this article, that usually the problem occurs if you have a Microsoft Exchange Server mailbox and POP3 account in the same profile. The problem also occurs if the folder selected as the default delivery location in your POP3 account does not exist. To fix this issue, you have to change the delivery location in your POP3 email account. The steps to do this are as follows:

This should fix the issue. If the problem still exists, there might be an Add-in causing Outlook to crash. To fix this issue, you have to troubleshoot Outlook in the Safe Mode. We have explained the process below.

2] Troubleshoot Outlook in Safe Mode

The Safe Mode launches Outlook with a minimal set of Add-ins. This will help you identify the faulty Add-in (if it exists). Follow the steps below:

Now, close the COM Add-ins window and send a test email in the Outlook Safe Mode, and see what happens. If:

Case 1: Outlook crashes, this means that one of the Add-ins enabled in the Safe Mode is the culprit.Case 2: Outlook does not crash, it means that one of the Add-ins disabled in the Safe Mode is the culprit.

Case 1 Launch Outlook in the Safe Mode again and disable the Add-ins one by one in the Safe Mode. Send a test mail after disabling each Add-in. When Outlook does not crash after disabling a particular Add-in, that Add-in is the culprit of the problem. Now, you can leave that Add-in disabled or remove it permanently from the Outlook app. To disable the Add-in, simply deselect it and click OK. Case 2 Write down the names of the disabled Add-ins and exit Outlook Safe Mode. After that, launch it in normal mode. You will see that in the normal mode, all Add-ins are enabled, Now, you have to disable only those Add-ins which were not enabled in the Safe Mode. After disabling each Add-in, send a test mail. This will help you find the culprit Add-in. Once you find it, you can leave it disabled or remove it.

3] Reset Outlook AutoComplete list

Outlook has an AutoComplete list feature. You might have noticed when you type the first letter of the sender’s email address, Outlook shows the matching results so that you can skip typing and select the sender’s email address directly from the suggestions. These email suggestions come from Outlook’s AutoComplete list. Some users stated that they were facing the issue due to the Outlook AutoComplete list feature. The issue was fixed when they cleared or reset this list. You can also try this. The steps to clear or reset the Outlook AutoComplete list are as follows:

You can also reset or clear the AutoComplete list in Outlook from the Run Command box. The steps for the same are written below: After resetting the AutoComplete list, check if the issue is fixed or not.

4] Repair or reinstall Microsoft Office

You might be experiencing this issue due to corruption in Microsoft Office. In such a case, repairing Microsoft Outlook can help. If this does not fix the issue, you can try reinstalling Microsoft office.

How do I fix Outlook not sending emails?

If Outlook is not sending emails, first, you should check a few things before troubleshooting it. You should check: If these things are ok, your Outlook profile may be corrupted or the problem may be associated with some Add-ins. In such a case, you should troubleshoot Outlook in the Safe Mode and repair Microsoft Office. Also, there might be some settings in Outlook that are preventing you from sending emails.

How do I repair Outlook?

To repair Outlook, you have to repair the Microsoft Office app. This can be done via the Control Panel. Simply open the list of installed programs in the Control Panel. After that, right-click on Microsoft Office and select Change. This will open a new window, where you will find the Repair option. Hope this article helped you solve your problem. Read next: Microsoft Outlook crashes with Error Code 0xc0000005.