Outlook Email Keeps Crashing

Outlook Email Keeps Crashing When Sending: Here Are 5 Solutions

Is your Outlook email crashing when you try to send emails? There are a few reasons why this can happen. This article will give you some solutions so that you can finally get your email sent without that pesky error message popping up.

1: Upgrade your Outlook

One of the first things you can do if your Outlook keeps crashing when sending is to upgrade your Outlook. This is especially important if you are using an outdated version of Outlook application.

If you are using Windows 10, make sure that you are running the latest version of application. Microsoft regularly releases updates for their applications, and these updates can often fix bugs and other issues that may be causing problems with Outlook.

If you are using an older version of Outlook, you may want to consider upgrading to Windows 10. Not only will this ensure that you have the latest security patches and fixes, but it will also give you access to new features and improvements.

If upgrading your Outlook application is not an option, or if it does not fix the problem, there are a few other things you can try.

2: Remove other browsers on the computer

Many users who have more than one browser installed on their computers find that Outlook email keeps crashing when they try to send an email. The good news is that there are a few things you can do to fix this problem.

One of the first things you should try is removing all of the other browsers from your computer. This includes any web browsers, such as Safari, Chrome, or Firefox.

You should also try disabling any extensions or add-ons that you have installed in your browser. These can sometimes interfere with Outlook and cause it to crash.

If you are still having problems, you can try resetting your browser to its default settings. This will remove any customizations you have made, but it might also fix the problem.

Finally, if nothing else works, you can always contact Microsoft support for help. They should be able to help you troubleshoot the problem and get Outlook working again.

3: Change IMAP settings

If you’re having trouble sending email from Outlook, it could be due to a problem with your IMAP settings. To fix this, you’ll need to adjust your IMAP settings in Outlook.

First, open Outlook and click on the File tab. Then, click on Account Settings and choose your email account from the list.

Next, click on Change and then select More Settings. Under the Advanced tab, you’ll need to change the following settings:

– In the Server Port Numbers section, change the Outgoing server (SMTP) port number to 587.

– In the Delivery section, uncheck the box next to Leave a copy of messages on the server.

– In the Security section, uncheck the box next to Requires a secure connection (SSL).

Once you’ve made these changes, click on OK and then Close. You should now be able to send email from Outlook without any problems.

4: Enable a POP client, then sync email

One potential fix for an Outlook email that keeps crashing when sending is to enable a POP client and then sync your email.

POP, or Post Office Protocol, is a protocol that allows email clients to download messages from a server. Once the messages are downloaded, they can be accessed offline.

Enabling a POP client in Outlook is a relatively easy process. First, open Outlook and click on the File tab. Next, click on the Account Settings drop-down menu and select the Account Settings option.

In the Account Settings window, click on the Email tab. Then, click on the New button.

In the Add New Account window, select the Manually configure server settings or additional server types option and click on the Next button.

On the next page, select the POP option and click on the Next button.

Enter your account information, including your name, email address, password, and POP server address. Then, click on the More Settings button.

In the More Settings window, click on the Outgoing Server tab. Then, check the My outgoing server (SMTP) requires authentication box and select the Use same settings as my incoming mail server option. Click on the OK button

5: Change outgoing mail server to smtp.office365.com

If your Outlook email keeps crashing when sending, one potential solution is to change your outgoing mail server to smtp.office365.com.

This should work whether you’re using the Outlook desktop app or the Outlook web app. Simply go into your account settings and change the mail server to smtp.office365.com, then try sending an email again.

If this doesn’t work, there are a few other possible solutions you can try. One is to delete and recreate your Outlook profile. Another is to repair your Office installation using the Microsoft Fixit tool.

If none of these solutions work, it’s possible that there is a problem with your Office installation or with Outlook itself. In this case, you may need to uninstall and reinstall Office, or even contact Microsoft support for further assistance.


If you’ve been struggling with your Outlook email crashing when sending, don’t despair — there are solutions. In this article, we’ve outlined some of the most common reasons why Outlook might crash when sending emails, as well as some easy fixes that you can try. So if you’re ready to get your Outlook back up and running smoothly, read on for our top tips.

Also Read: Outlook Keeps Crashing When Sending Email

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