If you’re encountering a situation where emails are getting stuck in the Outbox when sent from one of your multiple email accounts on your computer, you can make some adjustments to your Outlook app or the device’s settings to resolve this issue. In this post, we will discuss what to do if an Email gets stuck in the Outlook app’s outbox.
Emails stuck in Outbox of Outlook app
If your email is stuck in the Outbox of the Outlook app, you can try our recommended solutions below in no particular order and see if that helps resolve the issue.
- Use a different email client
- Run Windows Store Apps Troubleshooter
- Reset Outlook app
- Allow Outlook and Calendar app through Windows Firewall
- Update Outlook app
- Update Windows client
- Configure device to allow access to email
- Adjust the ports used in the Outlook app
- Delete email account and re-add account
Let’s take a look at the description of the process involved concerning each of the listed solutions.
1] Use a different email client
You can try sending the email using another email client for Windows.
2] Run Microsoft Store Apps Troubleshooter
This solution requires you to run the built-in Microsoft Store App Troubleshooter and see if the problem is resolved.
3] Reset the Outlook app
To reset the Outlook app on Window, do the following:
Windows 11
- Open Settings.
- Go to Apps > Installed apps.
- Search for Outlook.
- Click on the three dots associated with Outlook and select Advanced Options.
- Now, scroll down and click on Reset.
Windows 10
- Press the Windows key + I to open Settings.
- Tap or click the Apps category.
- Under the Apps & features, scroll to locate or search for the Outlook app.
- Expand the Outlook app.
- Open Advanced options.
- Scroll down and click on the Reset button.
Open the Outlook app, sign in with your credentials, and send the emails.
If the issue persists, try the next solution.
4] Allow Mail and Calendar app through Windows Firewall
To allow the Outlook app through the Windows Firewall on Windows 10, do the following:
- Press Windows key on the keyboard and type
allow apps. - Select Allow an app through Windows Firewall from the search result.
- Click on the Change settings button. You’ll need administrative permission to access settings.
- Scroll down and confirm that Outlook can freely communicate through Firewall. Make sure both Public and Private networks are enabled.
- Confirm changes if needed.
- Click OK.
You can now exit the Allowed Applications applet.
Additionally, if you have third-party security software that includes an active firewall, make sure to allow the Outlook app through.
Now, check if emails still get stuck in the Outbox when you send an email. If so, continue with the next solution.
5] Update the Outlook app
This solution entails that you update the Outlook app on Microsoft Store. Here’s how:
- Open Microsoft Store.
- Click on Downloads.
- Click Check for updates to see if any update is available for the Outlook app.
- Finally, install the update.
If the issue persists, try the next solution.
6] Update Windows client
Windows updates on Windows cover everything. Besides the common security patches and various fixes for the OS, updates can also be available for all built-in applications. So you need to manually check for Windows update and install the new bits if any and see if the Outlook app issue is resolved. Otherwise, try the next solution.
7] Configure the device to allow access to the email
We are going to allow mail access on this device. Even though this setting says “Email and Calender”, since they have been replaced by Outlook, you can follow the steps and you will be able to grant access.
Windows 11
- Open Settings.
- Go to Privacy & security.
- Scroll down and click on Email.
- Now, enable all the toggles for Email access.
Windows 10
- Open Settings.
- Tap or click the Privacy category.
- Scroll down on the left pane to locate and select Email.
- Under the Allow access to email on this device section, click Change and confirm that the option is toggled On.
- Under the Choose which apps can access your email section, make sure that the Mail and Calendar app is toggled On.
Exit the Settings app when done and see if the issue is resolved. If not, try the next solution.
8] Adjust the ports used in the Outlook app
Do the following:
- Open Outlook.
- Right-click on your account and select Manage account.
- Now, go to Mail > Sync mail.
- Now, you can configure the ports.
Incoming email server: You can get this information from your ISP or administrator. Usually, an incoming mail server address is in the format of mail.contoso.com or imap.google.com. For many email accounts, you can find this information in the POP and IMAP server name reference provided by Microsoft.
Outgoing (SMTP) email server: You can get this information from your ISP or administrator. Usually, an outgoing email server address is in the format of mail.contoso.com or smtp.contoso.com.
The servers are set up to use the server name (mail.contoso.com) followed by a colon (:) and then the port number followed by another colon and then another number (usually 1). If the server name is valid, you will only want to change the number between the two colons.
Note: This can be done for accounts that use POP3 of IMAP for incoming email and SMTP for outgoing email. You may need to contact your email provider to determine what ports they support for POP3/IMAP and SMTP.
9] Delete email account and re-add account
To remove/delete an email account from the Outlook app and re-add the account, do the following:
- Open Outlook
- Click on cog icon from the top bar to open Settings.
- From Accounts > Email accounts tab, click on the Manage button associated with the problematic account
- Click on Remove.
After you delete the account, you can now re-add the account to the Outlook app.
When done, you can try sending mail from the account without having the mail stuck in the Outbox issue.
Any of these solutions should work for you!
Related posts:
- Windows Outlook app not sending or receiving emails
- Email is stuck in the Outbox of Gmail
- Emails are stuck in the Outbox of Microsoft Outlook
- Outlook Email stuck in Outbox until you manually send it – Registry fix.
How do I fix Outlook app on Windows 11?
If you have any problem with the Outlook app, try repairing it. For that, you can go to Settings > Apps > Installed apps, look for “Outlook”, click on the three dots, select Advanced Options, and click on Repair.
