How to Combine Multiple PDF Files
Simple solution to combine multiple PDF files into a single PDF files is Merge PDF tool. This application is the perfect solution to merge a large number of PDF documents into one single file. Along with this, the software allows you to merge password protected PDF files also. But, initially, it will request you to enter the password of the PDF document. Also, once you entered the password you can merge those PDF files.
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How to combine and merge your files into one PDF: Open Acrobat DC to combine files: Open the Tools tab and select "Combine files." Add files: Click "Add Files" and select the files you want to include in your PDF. You can merge PDFs or a mix of PDF documents and other files.