Combining PDF files is the process of merging two or more PDF documents into a single, cohesive file. This can be a useful technique for consolidating multiple documents into a single, easy-to-manage file, or for creating a document that combines information from multiple sources.
PDF files are a common format for sharing documents because they can be opened and viewed on a variety of devices, including computers, smartphones, and tablets. They are also relatively secure, as they can be password-protected to prevent unauthorized access. Combining PDF files can be a useful way to share information with others, or to create a single document that combines information from multiple sources.