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....convert revisions of XLSB file into XLSM file. Revisions are found...view them by changing your XLSB file extension to ZIP. The \xl\revisions...