File APIs for Word/Excel/PowerPoint/PDF

Using PDF portfolio, you can put multiple types of files (such as Word & Excel files, images and PowerPoint presentations) together into a master PDF file. The files in a PDF Portfolio can retain their individual identities, so you can open, read, edit, and format each file independently of the other files. In this article, I am going to introduce how to work with PDF portfolio, especially create PDF portfolio and read/extract files from PDF portfolio programmatically in Java. Add Dependencies In order to create and read PDF portfolio, I use Free Spire.PDF for Java library. There are two ways to include Free Spire.PDF for Java in your Java project: For maven projects: Specify the following dependencies in your project’s pom.xml file: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 <repositories>         <repository>             <id>com.e-iceblue</id>      ...