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....Ask AI Public API Changes in Aspose.Cells 8.9.1 Contents [ Hide...book . Save ( dir + string . Format ( @"sheet{0}.html" , i ), options...