Fix Outlook not Sending Emails on Windows 10/11

Microsoft Outlook is a popular email client that comes with the Microsoft Office suite. It is widely used for personal and business communication. However, it can sometimes run into issues that prevent it from sending emails. This article will provide a comprehensive guide on how to fix Outlook not sending emails on Windows 10/11.

Causes of Outlook not Sending Emails:

Before we dive into the solutions, it's important to understand the possible causes of this issue. Here are some common reasons why Outlook may not send emails:

1. Incorrect email settings
2. Server connectivity issues
3. Firewall or antivirus software blocking Outlook
4. Corrupted Outlook profile
5. Outdated Outlook software
6. Large email attachments
7. Email account is over its storage limit

Now that we have a better understanding of the causes let's move on to the solutions.

Solution 1: Check Email Settings

Incorrect email settings are one of the most common reasons for Outlook not sending emails. Here's how to check your email settings:

1. Open Outlook and click on File.
2. Click on Account Settings and then select Account Settings again.
3. Select the email account that is not sending emails and click on Change.
4. Check the incoming and outgoing server settings and make sure they match the ones provided by your email service provider.
5. Once you have confirmed the settings, click on Next and then Finish.

Solution 2: Check Server Connectivity

Outlook requires a stable internet connection to send emails. If your internet connection is unstable, it may cause issues with sending emails. Here's how to check your server connectivity:

1. Open Outlook and click on Send/Receive.
2. If you see an error message, it may indicate a problem with your server connectivity.
3. Try restarting your router or modem and then try sending the email again.

Solution 3: Check Firewall or Antivirus Software

Firewall or antivirus software can sometimes block Outlook from sending emails. Here's how to check your firewall or antivirus software:

1. Open your firewall or antivirus software.
2. Check if Outlook is allowed to access the internet.
3. If it's not, add Outlook to the allowed list.

Solution 4: Create a New Outlook Profile

A corrupted Outlook profile can cause issues with sending emails. Here's how to create a new Outlook profile:

1. Close Outlook and open the Control Panel.
2. Click on Mail and then click on Show Profiles.
3. Click on Add and enter a name for the new profile.
4. Follow the prompts to set up your email account.
5. Once you have set up the new profile, open Outlook and select the new profile.

Solution 5: Update Outlook

Outdated Outlook software can cause issues with sending emails. Here's how to update Outlook:

1. Open Outlook and click on File.
2. Click on Office Account and then click on Update Options.
3. Click on Update Now.

Solution 6: Reduce Email Attachment Size

Large email attachments can cause issues with sending emails. Here's how to reduce email attachment size:

1. Open Outlook and compose a new email.
2. Attach the files you want to send.
3. If the file size is too large, consider compressing the files or sending them as a link.

Solution 7: Check Email Account Storage Limit

If your email account is over its storage limit, it may prevent you from sending emails. Here's how to check your email account storage limit:

1. Log in to your email account through a web browser.
2. Check your account storage limit and how much space is available.
3. If you're over the limit, delete some emails or upgrade your account.

Conclusion

Outlook not sending emails can be a frustrating issue, but it's usually easy to fix. By following the solutions outlined in this article, you should be able to resolve the issue and start sending emails again. If the issue persists, consider contacting Microsoft support for further assistance.

FAQs

Q: Why is Outlook not sending emails on Windows 10/11?

A: There could be several reasons why Outlook is not sending emails on Windows 10/11, including incorrect email settings, server connectivity issues, firewall or antivirus software blocking Outlook, corrupted Outlook profile, outdated Outlook software, large email attachments, and email account being over its storage limit.

Q: How do I fix Outlook not sending emails on Windows 10/11?

A: You can fix Outlook not sending emails on Windows 10/11 by checking email settings, checking server connectivity, checking firewall or antivirus software, creating a new Outlook profile, updating Outlook, reducing email attachment size, and checking email account storage limit.

Q: Why is Outlook not sending emails with attachments?

A: Outlook may not send emails with attachments if the file size is too large, or if there are issues with the server connectivity or firewall or antivirus software blocking Outlook.

Q: How do I update Outlook on Windows 10/11?

A: You can update Outlook on Windows 10/11 by opening Outlook, clicking on File, clicking on Office Account, clicking on Update Options, and then clicking on Update Now.

Q: How do I create a new Outlook profile on Windows 10/11?

A: You can create a new Outlook profile on Windows 10/11 by closing Outlook, opening the Control Panel, clicking on Mail, clicking on Show Profiles, clicking on Add, entering a name for the new profile, and then following the prompts to set up your email account.