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.... DO_NOT_SCALE ) pres . save ( "pres-4x3-aspect-ratio...SlideSizeScaleType . DO_NOT_SCALE ) # A4 paper size pres . save...