1.0 utf-8 yes 2.0 http://www.w3.org/2005/Atom Convert Ppsx to DIF via C# or with free Online Converterhttps://products.aspose.com/total/net/conversion/Ppsx-to-dif/Convert Ppsx to DIF in C# without ......org/2005/Atom Convert PPSX to DIF via C# or with free Online...com/total/net/conversion/ppsx-to-dif/Convert PPSX to DIF in C# without...