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....> </ head > < body > < h1 > Merge Excel Files and Rename Sheets...button id = "runExample" > Merge and Rename Sheets </ button...