Oulook Emails Going to Outbox? [Easy Fix]

When you send an email in Outlook, it is temporarily stored in the Outbox folder before being sent to the recipient. Under normal conditions, the email leaves the Outbox almost instantly. However, when something interrupts this process, the message remains stuck and fails to send.

There are several reasons behind this issue. A weak or unstable internet connection can prevent Outlook from connecting to the mail server. Sometimes, Outlook may be set to Work Offline mode, which disables sending and receiving emails. Another common cause is large file attachments, which exceed the allowed size limit and block the sending process.

Additionally, corrupted Outlook data files, incorrect SMTP settings, or antivirus interference can also lead to emails being stuck in the Outbox. Identifying the root cause is essential to applying the correct fix.

In this guide, you will learn why Outlook emails go to the Outbox and how to fix the issue using easy and effective methods.

Oulook Emails Going to Outbox? Easy Fix

If your Outlook emails are stuck in the Outbox, it is usually due to a poor internet connection, large attachments, incorrect account settings, or Outlook running in offline mode. To fix it, check your connection, disable Work Offline mode, reduce attachment size, and restart Outlook. Clearing the Outbox or repairing the Outlook profile can also quickly resolve the issue.

The following steps will guide you through practical solutions to resolve this issue efficiently.

Step 1: Check Your Internet Connection

A stable internet connection is essential for sending emails through Outlook. If your connection is weak or disconnected, Outlook will fail to send messages and keep them in the Outbox.

Start by opening a browser and checking whether websites are loading properly. If the internet is not working, restart your router or switch to a different network. Once your connection is stable, return to Outlook and try sending the email again.

If you are using a corporate network, ensure that firewall or proxy settings are not blocking Outlook from accessing the mail server.

Step 2: Disable Work Offline Mode

Outlook includes a feature called Work Offline, which allows you to access emails without an internet connection. When this mode is enabled, emails remain stuck in the Outbox.

Open Outlook and go to the Send/Receive tab. Check if the Work Offline option is active. If it is highlighted, click on it to disable the mode.

Once disabled, Outlook will reconnect to the server and automatically send the pending emails from the Outbox.

Step 3: Remove Large Attachments

Emails with large attachments often fail to send due to size restrictions imposed by email servers. This is one of the most common reasons for emails being stuck.

Open the Outbox and double-click the email that is not sending. Check the attachment size. If it is too large, remove the file or compress it before sending.

Alternatively, you can upload the file to a cloud storage service and share the download link instead of attaching the file directly.

Step 4: Restart the Outlook Application

Sometimes, the issue occurs due to temporary glitches within Outlook. Restarting the application can refresh its processes and resolve minor errors.

Close Outlook completely and ensure it is not running in the background. Then reopen it and check the Outbox. In many cases, the email will be sent automatically after restarting.

Step 5: Check Email Account Settings

Incorrect email configuration can prevent Outlook from sending messages. This includes errors in SMTP server settings, port numbers, or authentication details.

Go to Account Settings in Outlook and verify your email configuration. Ensure that the outgoing mail server details are correct and match the settings provided by your email service provider.

If needed, re-enter your email password and confirm that authentication is enabled for outgoing emails.

Step 6: Clear the Outbox Folder

If an email is stuck and refuses to send, you may need to manually remove it from the Outbox.

Open the Outbox folder and delete the problematic email. If Outlook does not allow deletion, switch to offline mode, restart Outlook, and then delete the message.

After clearing the Outbox, disable offline mode and resend the email.

Step 7: Disable Antivirus Email Scanning

Some antivirus programs scan outgoing emails, which can interfere with Outlook’s sending process. This may cause emails to remain stuck in the Outbox.

Temporarily disable email scanning in your antivirus software and try sending the email again. If the issue is resolved, consider adjusting the antivirus settings to exclude Outlook from email scanning.

Step 8: Repair Outlook Data File

Corrupted Outlook data files can disrupt normal operations, including sending emails. Repairing the data file can fix such issues.

Use the built-in Inbox Repair Tool to scan and repair the Outlook data file. After the repair process is complete, restart Outlook and check if the issue is resolved.

Step 9: Create a New Outlook Profile

If none of the above solutions work, the problem may be related to your Outlook profile. Creating a new profile can fix configuration-related issues.

Go to Control Panel, open Mail settings, and create a new profile. Add your email account again and set the new profile as the default.

Open Outlook using the new profile and test if emails are sending properly.

FAQs

Why are my emails stuck in the Outbox in Outlook?

Emails usually get stuck due to poor internet connection, large attachments, incorrect settings, or Outlook being in offline mode.

How do I force Outlook to send emails from the Outbox?

Disable Work Offline mode, restart Outlook, and ensure a stable internet connection. This will trigger Outlook to send pending emails.

Can antivirus software block outgoing emails in Outlook?

Yes, antivirus programs with email scanning features can interfere with Outlook and prevent emails from being sent.

What is the size limit for attachments in Outlook?

The attachment size limit depends on your email provider, but it is usually around 20 to 25 MB.

How do I fix a corrupted Outlook data file?

You can use the Inbox Repair Tool provided by Outlook to scan and repair corrupted data files.