Hi, I am trying to convert html input stream to Pptx format, but I am seeing the following error
Convert failed - class com.aspose.slides.PptUnsupportedFormatException: Unknown file format. —> class com.aspose.slides.in…...Convert HTML Input Stream to PPT Format Aspose.Slides Product...fileName + EXTENTION_PPT, SaveFormat.Ppt); Andrey_Potapov October...