Outlook Remove Stuck Email: 7 Fixes That Work

If an email is stuck in your Outlook Outbox or Inbox and won’t send or delete, the fix usually involves clearing the Outbox, disabling add‑ins, or recreating the mail profile. Below are the most reliable methods, from quick checks to deeper repairs, that resolve the issue on Outlook 2016, 2019, 2021, and Microsoft 365.

Why Emails Get Stuck in Outlook

Outlook can hold onto an email for several reasons. The most common is a large attachment that exceeds your email provider’s limit—Outlook will keep trying to send it and fail silently. Another frequent cause is a corrupted item in the Outbox, often after a crash or forced shutdown. Add‑ins, especially those that scan outgoing mail, can also interfere with the send/receive cycle. Less common but possible: the Outlook data file (.pst or .ost) is damaged, or the mail server is rejecting the message due to authentication issues.

Understanding the root cause helps you pick the right fix. For example, if the email has a 25 MB attachment and your provider caps at 20 MB, no amount of “Send/Receive� will move it. If the email is stuck because of a corrupted cache, deleting it from the Outbox and recreating it is the fastest solution.

Quick Fixes to Try First

Before diving into deeper repairs, try these simple steps—they resolve a surprising number of cases:

• Restart Outlook – Close Outlook completely (check the system tray for the icon) and reopen it. This clears temporary glitches.
• Use Work Offline mode – Click Send/Receive → Work Offline to toggle it on, then off. This forces Outlook to re‑establish the connection.
• Check the Outbox folder – Open the Outbox and look for the stuck email. If it’s there, double‑click it, then click Send again.
• Verify the attachment size – Right‑click the stuck email, choose Edit, and check the attachment size. If it’s over your provider’s limit, remove the attachment or compress the file.

If none of these work, move to the more systematic fixes below.

Method 1: Delete the Stuck Email from the Outbox

The most direct fix is to remove the problematic email from the Outbox. This works whether the email is stuck in “Sending� or just sitting there.

1. Go to the Outbox folder.
2. Right‑click the stuck email and choose Delete.
3. If Outlook says it’s “sending� and won’t delete, switch to Work Offline (Send/Receive → Work Offline).
4. Now delete the email. It should move to the Deleted Items folder.
5. Turn off Work Offline and try sending a new test email.

If the email refuses to delete even in offline mode, you may need to close Outlook and delete the message from the data file using a tool like Scanpst.exe (see Method 5).

Method 2: Disable Problematic Add‑ins

Add‑ins can interfere with sending and receiving. To test this, start Outlook in safe mode:

1. Press Windows + R, type outlook /safe, and press Enter.
2. If the email sends or deletes normally in safe mode, an add‑in is the culprit.
3. Go to File → Options → Add‑ins.
4. At the bottom, select COM Add‑ins and click Go.
5. Uncheck all add‑ins, restart Outlook normally, and test.
6. Re‑enable add‑ins one by one to identify the problematic one.

Common offenders are antivirus integrations, email tracking tools, and social media add‑ins.

Method 3: Clear the Outbox via the Send/Receive Manager

Sometimes the Outbox is stuck because Outlook is trying to send a message that no longer exists. You can force a clean‑up:

1. Press Ctrl+Alt+S to open the Send/Receive dialog.
2. Click Send All.
3. If nothing happens, click Cancel to stop the current session.
4. Close Outlook and reopen it.
5. Check if the Outbox is empty. If not, proceed to the next method.

Method 4: Recreate Your Mail Profile

A corrupted mail profile can cause all sorts of sending issues. Recreating it is a surefire fix, but it will remove your account settings (you’ll need to re‑enter them). Your emails and contacts are stored in the .pst/.ost file, so they remain intact.

1. Close Outlook.
2. Open Control Panel → Mail (search for “Mail� if you don’t see it).
3. Click Show Profiles.
4. Select your current profile and click Remove (or create a new one).
5. Click Add to create a new profile, enter your email address, and follow the prompts.
6. Set the new profile as the default and restart Outlook.

This resets all Outlook settings, including send/receive schedules, which often clears stuck emails.

Method 5: Repair Your Data File with Scanpst.exe

If the above fail, the Outlook data file might be corrupted. Microsoft provides a repair tool called Scanpst.exe (Inbox Repair Tool).

1. Close Outlook.
2. Navigate to the Scanpst.exe location (typically C:\Program Files\Microsoft Office\root\Office16 for 64‑bit, or C:\Program Files (x86)\Microsoft Office\root\Office16 for 32‑bit).
3. Run Scanpst.exe.
4. Click Browse to select your .pst or .ost file. The default location is %LocalAppData%\Microsoft\Outlook for .ost files and %UserProfile%\Documents\Outlook Files for .pst files.
5. Click Start and follow the prompts. The tool will create a backup before repairing.
6. After repair, reopen Outlook and check if the stuck email is gone.

Note: Scanpst.exe only repairs the data file, not the Outlook installation itself.

Method 6: Use the “Send/Receive� Keyboard Shortcut

Sometimes a simple manual trigger works:

1. Press F9 to force a send/receive.
2. If the email is stuck, press Ctrl+Alt+S to open the Send/Receive dialog, then click Send All.
3. Watch the status bar at the bottom of the Outlook window—it may show “Sending� or an error code.

If you see an error code, search for it specifically—it often points to a server or authentication problem.

Method 7: Create a New Email and Delete the Old One

If you can’t delete the stuck email, copy its content to a new message:

1. Open the stuck email.
2. Click File → Save As and save it as an .msg file.
3. Delete the stuck email (using any method above).
4. Open the saved .msg file, click Send again.

This works because the new email has a fresh message ID and bypasses any corruption in the original item.

Frequently Asked Questions

Why can’t I delete an email stuck in the Outbox?

Outlook locks the Outbox while it’s actively sending. Switch to Work Offline (Send/Receive → Work Offline) to release the lock, then delete the email. If that fails, close Outlook and use Scanpst.exe to repair the data file.

Will deleting a stuck email also delete the attachment?

Yes, deleting the email deletes the entire item, including attachments. If you need the attachment, open the email and save the attachment to your computer first.

Why does my email get stuck in the Outbox every time I send to a specific person?

This usually indicates a problem with that recipient’s email server, or your Outlook is trying to send a large attachment that their server rejects. Try sending a plain text test message to that person to isolate the issue.

Can I recover a stuck email after deleting it?

Yes, if you deleted it from the Outbox, it goes to the Deleted Items folder. You can drag it back to the Outbox or to the Inbox. If you emptied Deleted Items, you might recover it from your email server’s “Recoverable Items� folder (if your provider supports it).

Does recreating my mail profile affect my emails?

No. Your emails are stored in a separate data file (.pst or .ost). Recreating the profile only resets your account settings and preferences. Your emails, contacts, and calendar remain intact.

Why does Outlook show “Sending� forever?

This often means Outlook is trying to send a large attachment or the server is unresponsive. Check your internet connection, disable any antivirus email scanning, and try the Work Offline trick. If it persists, restart Outlook in safe mode to rule out add‑ins.

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