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....to PDF format compatible with PDFA-1a Contents [ Hide ] Possible...describes how to save the Excel workbook to PDF/A compliant (PDF/A-1a)...