Download DLL containing C# Class Library to create, modify, render & print MS Excel® & OpenOffice® Spreadsheets via .NET API. Convert to DOCX, PPTX, PDF, XPS....NET Framework Versions Supported .NET Framework : 2.0 to...Core 2.1/3.1, .NET 5-8 Mono Framework : 1.2 or newer NuGet Packages...