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....FilePath + "Tiff conversion with note.pptx" ; string destFileName...FilePath + "Tiff conversion with note.tiff" ; //Erstellen eines Presentation-Objekts...