SSRS Can Allow To Insert Another Report File Into The Header Section?

SSRS (Microsoft Reporting Engine) allows to insert another report file into the header section.SSRS TemplatesPeeking inside the available options of SQL Server Reporting Services, I found a way to make "Report File" a "Template File" which is said to be a time savior and uniformity maintainer across reports. The first one might be true but for the later one—a template file is nothing then a "copy/paste" one report to a new file.