After cleaning out email folders Microsoft Outlook shows that your mailbox still exceeds the maximum storage limit.
There is a location that is storing emails that has not been cleaned out.
Find the location storing the additional emails.
- Open Microsoft Outlook.
- Select "Folder" from the top menu.
- Select "Folder Properties" from the properties section of the menu ribbon.
- Select the "Folder Size" button.
- This will give you a list of all the folders and space they are using to store data.