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....RowsAndColumns ' # Inserting a Row self . insert_row () # Inserting Multiple...Multiple Rows self . insert_multiple_rows () # Deleting a Row self...