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....Represents an OpenDocument Spreadsheet file EXCEL_97_TO_2003 Represents...Excel 1997 to 2003 revisions SPREADSHEET_ML Represents a SpreadSheetML...