Remove Duplicates from OE helps you delete duplicates in all or select folders without losing any of important information automatically. It also helps you avoid spending time in reading the same emails. This programme has following features:deleting duplicates in all or selected folders; comparing messages by the main fields (text, subject, sender e-mail, sender name), comparing messages by additional fields including attachments, deleting, moving or copying duplicates to a folder. 
searching for duplicates created within the last day, several days or without time limits.
The program will search the selected folders for duplicates and move duplicates to the"Deleted Items". In the program settings you can select another folder where duplicated messages will be moved or make the program delete them.