How Do I Fix Outlook Not Sending Emails? Send Emails Stuck in Your Outbox

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outlook not sending emails

Outlook is undoubtedly a fantastic email service. It has served people for many years now, and its popularity shows no signs of abating. However, sometimes the email service may show some errors in its working. Many people report the email getting stuck in Outlook outbox. The problem can frustrate many users, especially those who want to send an urgent mail. They will naturally wonder how do I fix Outlook not sending emails. Fortunately, there are many ways to enable you to resolve this problem. Keep reading to know the numerous fixes you can start implementing so that you can send messages easily using Outlook.

How Do I Fix Outlook Not Sending Emails – Fixes to Try

If MS Outlook isn’t able to send emails, you need to configure its settings. Go through the various troubleshooting steps that you can try when your messages get stuck in the outbox.

Resend your message

When you can’t send emails from Outlook, the best thing you can do is resend your message. Do the following.

  • Right-tap the email that’s stuck in your outbox and point it to ‘Move.’ Select the ‘Drafts’ folder.
  • Open that email and tap ‘Send.’ 
  • See if the mail has landed in the sent folder. Most probably, it will be sent.

Ensure that you work in online mode

You can work either offline or online mode in Outlook. If you find your mail stuck in the outbox and not in the sent folder, check whether your status is online. You can check it in Outlook 2007 as follows:

  • Launch MS Outlook.
  • Tap the ‘File’ tab.
  • See that there isn’t any checkmark against ‘Work Offline.’
  • If there is, tap it and remove the checkmark.
  • Now that you are working online tap send and receive again to send the messages in your outbox. 

See your recipient’s email address.

The problem of Outlook not sending emails can also arise when there is an address conflict between the saved address and your email address. If the address is not present in the address book, you need to add it there. It can help you resolve your issue by sending your email.

Check Outlook’s Send options.

You also need to ensure whether the send options in MS Outlook are right or not. Follow the instructions below for checking these options.

  • Launch Outlook.
  • Tap on the tab of ‘Tools.’
  • Choose the tab of ‘Mail Setup’ or the tab of ‘Send’ according to the MS Outlook version that you are using.
  • Make sure that the option of ‘Send Immediately’ is checked. 
  • Inspect your internet connection settings to make sure that your laptop or personal computer is firmly linked to your internet provider. 
  • Return to the outbox folder. Open your email and then tap ‘Send’ once more.

Check your attachments

Outlook restricts the file size that you can send in emails to 20 megabytes. 20 megabytes is for internal accounts like Hotmail or Gmail, while 10 MB is the size limit for Exchange accounts. So, when Outlook is not sending emails, you need to look at the size of your files. If you encounter an error message concerning the file size when you send an email, you can increase the limit for Outlook. 

For it, launch the ‘Windows Registry Editor’ and then locate the entry for Outlook. Then modify the value of ‘MaximumAttachmentSize.’ Now you can input the preferred size limit. It should be in KB. Note that the file size limit cannot go beyond the limit of your mail server.

Sync password in Outlook

If you have modified your password but haven’t changed it in Outlook, you will likely encounter the mail not sending problem. Follow the steps below to sync your password.

  • Tap ‘File’ and then choose ‘Account Settings.’
  • Choose the tab of ‘Email.’
  • Now, select your email account and tap ‘Change.’
  • Input your new password in the box of ‘Password.’
  • Now, choose ‘Next’ and then ‘Close.’ Then tap ‘Finish.’
  • Choose the button of ‘Send/Receive All Folders.’ You can find it in the upper-left part of the Outlook window. Alternatively, you can tap ‘F9’ to send your email. 

Repair the Outlook application

You can encounter the Outlook mail not sending issue if the application is damaged. When this happens, you can use the in-built MS Office Repair utility to resolve it. Outlook 2016 and 2013 users using it in Windows 10 should follow this process. 

  • Close all MS Office apps and select ‘Apps & Features.’
  • Click ‘Microsoft Office’ and then choose ‘Modify.’ 
  • Choose ‘Yes’ when the user account control window comes up and asks, ‘Do you want to allow this app to make changes to your device?
  • Choose ‘Online Repair’ followed by ‘Repair.’
  • Begin Outlook again when the repair procedure ends.

Outlook 2016 and 2013 users using it in Windows 10 should follow the instructions below.

  • Exit all MS Office apps.
  • Right-tap the ‘Start’ button.
  • Choose ‘Control Panel.’ 
  • Check that you have selected ‘Category’ in the ‘View By’ list.
  • Tap ‘Uninstall a Program.’ 
  • Right-tap ‘Microsoft Office’ then select ‘Change.’
  • Choose ‘Online Repair.’
  • Tap ‘Repair’ and then ‘Yes’ if you find the user account control window appearing.
  • Restart the Outlook application again after the repair process.

Make a new mail profile.

Another thing that you can do to resolve this situation is to create another mail profile. Do the following for it.

  • Choose ‘Add’ for adding a new profile.
  • Adhere to the guidelines to set the mail profile.
  • Start Outlook. Send your emails again.


 Read Also- How To Transfer MS Office To New PC?

Final Words

Hopefully, after implementing these fixes, you no longer will find the need to question how do I fix Outlook not sending emails. Adhere to the instructions below every resolution. But in case you find that you are still unable to send the emails, connect with Outlook technical support. The technicians specialize in diagnosing and troubleshooting various issues and glitches. You can expect a speedy resolution to your problem after seeking their assistance.

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