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 a CSV file. Xlsx 6 Represents an xlsx file. Xlsm 7 Represents...Represents an xlsm file which enable macros. Xltx 8 Represents an...