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....Freeze/Unfreeze Rows & Columns X X X Customize Rows & Columns Headers X Managing...Format Settings of Cells X X X Custom Format Settings of Cells X...