This export format is not implemented for PPT yet.
PPT TO HTML
The version is latest
What is the reason for hope to receive your reply as soon as possible. Thank you.
Aspose.Slides.Presentation pres = new Aspose.Slides.Presentation(inputPath);
string path = “c:/test1/” + DateTime.Now.ToString(“yyyyMMddHHmmsssss”) + Guid.NewGuid().ToString() + “.Html”;
// File.Create(path);
pres.Save(path,Aspose.Slides.Export.SaveFormat.Html);