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....set_header_and_child_headers_text(text) Sets text to master notes slide...set_footer_and_child_footers_text(text) Sets text to master notes slide...