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.... Font . Name = "Arial" ; txtRange . Font . Bold = Microsoft...MsoTriState . msoTrue ; txtRange . Font . Size = 32 ; //Write the output...