Email messages in MS Outlook sometimes get stuck in Outbox which depicts that the message has not been sent. Outlook users usually complaint that they have clicked on send/receive button, but in spite of moving to recipient those emails are staying in Outbox. Below are the several discussed reasons for the mail getting stuck in Outlook Outbox:
No matter what problem is associated with the MS Outlook it can be solved by using the recommended solutions below. These methods are applicable for all versions of MS Outlook including 2003 to 2013. Use appropriate method as per your requirement.
Need: This method is applicable for the mails you have sent but are stuck in Outlook Outbox, i.e they still are not sent. And to check whether the mails have been sent or not, move to the sent items folder. If the sent mail is found in sent items folder, then there no need to resend the mail, but if it is not found there, then proceed with the following steps.
Need: If it has been noticed for a certain period of time that a message is being stuck in the Outbox and you want to completely remove it from there, then in that case follow the below suggested method.
In case the previous primary solutions didn't work for you, then this email message has seriously got stuck in your MS Outlook Outbox and requires some advanced treatment to be removed. Follow the below given steps in case the above mentioned methods fails to delete the mails stuck in Outlook Outbox.
Note: For Outlook 2007 and 2003: Go to "File" and check "Work Offline".
In case the email message is still stuck then there must be some internal problem with MS Outlook or its storage Data files i.e. PST. At the end, it is recommended to check your internet connection, if there is slow internet connection with less bandwidth, then the process of sending email can be slow and you should wait patiently in such situation. Email stuck in Outbox Outlook can be an indication of PST file having some issues. The problems can also be associated with corruption in PST file and thus you should always keep a check on PST file size. If this problem is associated with slow Outlook processing or other error messages, then you can go for a professional tool like Outlook PST Repair which solves PST corruption issues along with solving this “mails stuck in Outlook Outbox” issue.