In this step by step tutorial, we’ll elaborate how to convert PPTX to XPS in C# without interop. The PPTX format is the preferred format for PowerPoint presentations these days, however, you can also convert PPT to XPS in C# applications using the same approach.

Steps to Convert PPTX to XPS in C# without Interop

1. Get Aspose.Slides for .NET package from NuGet.org
2. Use Aspose.Slides and Aspose.Slides.Export namespaces
3. Set license using SetLicense method
4. Create a new object of Presentation Class class
5. Load the PowerPoint presentation file into the object created above
6. Save the input PPTX file format as an output XPS file

Previously, we looked into how to secure PPTX using C# in another how-to topic. However, in this topic the steps given above help you to convert PPTX to XPS in C#. You do not need Microsoft PowerPoint or Interop for this conversion and you can run this code seamlessly on all platforms.

Code to Convert PPTX to XPS in C# without Interop

The above code works with any type of .NET application using the C# code, whether ASP.NET web application, Windows Forms application, or Services. You can run it on your local machine or on a server alike.