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....Accent6 ; // Save the modified slide. slide . Slide . Save (); } }...the PPTX file to disk pres . Save ( FileName , SaveFormat . Pptx...