You can clear your File Explorer history manually by going to Folder Options. Clear File Explorer History Using Folder Options
In this article, I am going to provide you all possible ways that can help you in deleting Search History In Windows File Explorer. You can delete your Windows File Explorer history after using the system, or disable the feature that is keeping the history. The next time you type in the search box, it will show recently typed similar terms in the drop-down dialog. Windows Explorer comes with a search feature through which users can find specific files or folders. By default, all your searches from the search box are saved into its history.