Fix Outlook Email Stuck in Outbox - Quick Troubleshooting

You are staring at an email that just won't leave your outbox, even though you hit send ages ago. Your Outlook send queue is likely jammed, which is a classic headache that happens regardless of your version of Office.

Why this happens

The Outlook send queue often gets stuck due to a momentary sync error or an attachment that exceeds the server size limit. Moving the item to Drafts forces the application to re-process the message.

What you will need

No special tools are required, just your mouse and access to your Outlook application.

Steps

1. 01
   Check the bottom of your Outlook window for a 'Working Offline' status; if present, go to the Send/Receive tab and click 'Work Offline' to toggle it off.
2. 02
   If still stuck, close Outlook completely.
3. 03
   Reopen Outlook and immediately navigate to your Outbox folder.
4. 04
   Right-click the stuck message, select 'Move', then 'Other Folder', and choose 'Drafts'.
5. 05
   Open the email from your 'Drafts' folder and click 'Send' again.
6. 06
   If it fails, open the message and ensure your attachments are under 33 MB.
7. 07
   If the issue persists, press the Windows key, type outlook.exe /safe, and press Enter to launch in Safe Mode to test for problematic add-ins.
8. 08
   If it sends in Safe Mode, go to File > Options > Add-ins to identify and disable the conflicting extension.