If you are looking easy way to merge your PDF and keep each files original header and footer intact. You can use  the OSTtoPSTApp Merge PDF Software to merge PDFs while preserving the original header and footer of each file. The purpose of this utility is to merge several PDF files without altering their layout, formatting or design components. This software meticulously maintains the headers and footers from each original file while combining PDFs ensuring that nothing is lost or changed. All you have to do is upload the PDF files you wish to combine, put them in the order you want and begin the merging process. It is ideal for preserving professional formatting and is quick and simple to use. If you wish to preserve the original headers, footers and general document structure. This Merge PDF is a dependable option. It is also provide a fee demo trial before puchasing.