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....varios formatos como XLS, SpreadsheetML, CSV, Delimitado por tabulaciones...archivo de Office Open XML SpreadsheetML XLSM Representa un archivo...