Limit search scope to a PST file subfolder

Is it possible to limit the search scope for items only within a specific Exchange mailbox or PST file subfolder? For example, in the attached screenshot, the item is located under Inbox, but we would like to exclude items under Inbox, and only search for items under a specific subfolder, say "Confidetial emails" folder.

Is there an easy way to limit search scope to a specific PST subfolder?

Thank You,

Ali