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....Cells, etc. Please use [Workbook.CustomXmlParts...https://reference.aspose.com/cells/net/aspose.cells.markup/customxmlpa...