Our code uses com.aspose.slides.ISlideCollection#addClone(com.aspose.slides.ISlide) to merge multiple pptx files, and then uses com.aspose.slides.Presentation#save(java.lang.String, int) to save the merged file. This log…... public static void merge(List<File> files,String dstFile)...aspose.slides.Presentation(); List<ISlideCollection> iSlides =...