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....Ihnen, die Arbeitsmappe im Format Striktes Open XML-Spreadsheet...die Ausgabe-Excel-Datei im Format Striktes Open XML-Spreadsheet...