If you need to combine PDF files into single file without losing formats, then go with the CubexSoft PDF Merge Tool on any OS editions. During the conversion process, it gives the dual options i.e. Select File(s) or Select Folder(s) to load the PDF files. It has a simple GUI interface and standalone utility to easily join multiple PDFs into single PDF at a single processing time. And also freedom to set the desired location for saving the resultant output accordingly as per needs. It provides the demo version that permits to merge first 5 PDF files with watermark for free. Need to merge more than 5 PDF files for an urgent presentation, also try its licensed editions.
