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....Default Font for Rendering Spreadsheets to HTML Format の詳細な記事を参照してください。...setDefaultFontName ( "Arial" ); //Load a spreadsheet in an instance of Workbook...