Disabling Outlook From Work Offline Mode.In order to fix this issue there are three methods, we will discuss it one by one and hope this help to resolve issue of emails stuck in outbox folder of Outlook 2011 for Mac email client. Large sized emails can also cause this issue, users when attach a huge attachment to message it gets stuck in Outbox folder.Sometimes this happens when email addresses you have added to send email is invalid.This usually happens when users send a message and add large number of recipients in 'CC' and 'BCC' fields.Reasons Behind Email Stuck in Outbox Folder Here in this section we will resolve this issue and also provide you all necessary information that may cause this issue with Outlook 2011 for Mac. Sometimes it displays 3 messages in outbox but when users click on them to view it only displays 2 out of 3. It show the button for outbox at the bottom of your messages indicating that there is email in outbox, but when users click on it to view the message no messages are displayed. It appears in outbox folder instead of sent items folder in Outlook 2011 account of users.
Outlook 2011 for Mac users generally come up with query that mail message they sent gets stuck in Outbox folder.
