how do I delete search history

how do I delete my email search history from the right hand side drop down menu?

Hello,

The Recent history is deleted every time you turn eM Client off. When it comes to deleting the e-mails that are suggested in the search bar, you can delete these in Menu ->Tools -> Settings -> Mail -> Compose - Recipients History and press ‘Clear recipients history…’. If you don’t want to save these addresses at all, please uncheck ‘Store composed mail recipients for suggestion.’

Regards,
Maurice