Class Libraries & REST APIs for the developers to manipulate & process Files from Word, Excel, PowerPoint, Visio, PDF, CAD & several other categories in Web, Desktop or Mobile apps. Develop & deploy on Windows, Linux, MacOS & Android platforms....using Aspose.Slides and pptx4j Contents [ Hide ] Aspose.Slides...presentation pres . save ( dataPath + "Aspose-output.pptx" , SaveFormat ...