@property<EOL><INDENT>def parent_folder(self):<EOL><DEDENT>
if self.__parent_folder is None:<EOL><INDENT>self.__parent_folder = self.account.get_folder_by_id(self.__parent_folder_id)<EOL><DEDENT>return self.__parent_folder<EOL>
Returns the :class:`Folder <pyOutlook.core.folder.Folder>` this message is in

            >>> account = OutlookAccount('')
            >>> message = account.get_messages()[0]
            >>> message.parent_folder
            Inbox
            >>> message.parent_folder.unread_count
            19

        Returns: :class:`Folder <pyOutlook.core.folder.Folder>`