Your cooperation and understanding is highly appreciated. If you have any clarifications with your account please post again on this forum. This is the ony option that you could use to remove the duplicate emails on your account.
Drag the Modified field to the table heading. Use this professional Outlook Items Duplicate Remover to remove all the duplicate items from in Outlook.From the list at the top of the Field Chooser, click to select the All fields.Right-click a column heading, and then click Field Chooser.Click the View tab in the Ribbon, click Change View in the Ribbon, and then click to change the folder view to a table type view.In Outlook 2010, select the folder for which you want to delete duplicate items.You can follow these steps to remove the duplicate messages in Outlook 2010: