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Outlook Emails Stuck In Outbox Windows 10

Having the best email client on your Windows 10 computer looks well and good for you. But, not every time! Emails might be stuck in your Outbox and keep you worried. Are you tired of facing this problem too many times?

No worries! Refer to the solutions mentioned in this post to solve the issue and get back to work.

How to fix the Outlook emails stuck in Outbox on Windows 10 issue?

  • Step 1:Initially, perform the basic troubleshooting, which is signing out and signing in to your Outlook account. On your Windows 10 computer, open the Mail app.
  • Step 2:Navigate to the Settings menu and then choose Manage accounts.
  • Step 3:Select your email account and then delete it from your device. Later, restart your computer and then sign in again by entering the login credentials.
Outlook Emails Stuck In Outbox Windows 10

Run the troubleshooter:

  • Step 1:On Windows 10, navigate to the Settings menu.
  • Step 2:From there, select Update and Security.
  • Step 3:In the left pane, select Troubleshoot.
  • Step 4:Scroll down and then navigate to the Run the troubleshooter option. Click on it. The troubleshooting process starts now. When finished, you can restart the computer.

You can also reset the mail app settings to fix the issue. Here’s how to do it.

  • Step 5:On Windows 10, navigate to the Settings app.
  • Step 6:Go to Apps. From there, select Apps and features.
  • Step 7:Expand the Mail and Calendar section. Click Advanced options.
  • Step 8:Select the Reset button. A few minutes later, make sure that you open the Mail app and sign in with the login credentials. Check whether the Outlook email issue is fixed.
  • Step 9:You can now check for updates. Navigate to Settings > Update and Security and then select Windows update.
  • Step 10:Choose Check for updates. In case there are any updates available, you can install them.
Outlook Emails Stuck In Outbox Windows 10

Verifying the ports:

  • Step 1:Launch the application and then navigate to your email account.
  • Step 2:Choose Account settings and then check the details in the Advanced mailbox settings if you’ve set up the account using advanced setup.

Check the following:

  • Step 3:Incoming and outgoing mail server address
  • Step 4:Server ports
  • Step 5:SSL
  • Step 6:Authentication

If the problem exists and your emails are stuck in the Outbox in the Mail app, you can allow the Mails and Calendar app through the firewall to resolve the issue.

  • Step 7:Click Start and then navigate to Windows Defender Security Center.
  • Step 8:Now, go to Allow an app through firewall and then select Change settings.
  • Step 9:Enable the required checkboxes and then click OK.

Sometimes, you might have forgotten the privacy settings that you’ve made. To resolve this problem, follow these steps.

  • Step 10:Open the Settings app on your Windows 10 computer.
  • Step 11:Select Settings and then navigate to Privacy.
  • Step 12:Select Email and make sure that the Let apps access and send email option is turned on.
  • Step 13:Now, select Calendar.
  • Step 14:Turn on the Let apps access my calendar option.  
  • Step 15:Additionally, check the connectivity to the email server. You can try sending the email messages to the web. This should resolve the problem.

You’ve now seen how to fix the “Outlook emails stuck in the Outbox on your Windows 10” issue. You can implement the steps described above to avoid the problem in the future.