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....xlsx (3 feuilles de calcul). SecondWorkbook.xlsx (1 feuille...calcul (Copie) dans FirstWorkbook.xlsx. Lors de l’exécution du code...