

To get this, click Outlook > About Outlook. Please let us know the detailed version of current Outlook, such as 15.32 (170309).If it still doesn’t work, I’d like to collect some information for investigation:

Also, you can try drag and drop this email to the Draft folder and see if See if you can delete the stuck email this time. Start your Mac in safe mode and then start Outlook and perform the steps again. If yes, the issue should be related to the stuck email. May I confirm if you can see an email with large attachments stuck in outbox after performing the steps Vanessa mentioned?Ĭreate a test email and try to send it.
