Import PowerPoint File as HTML dialog box
Namo Menu > Open – select a PowerPoint (.ppt) file and click OK – select “Convert to HTML format” and click OK
Specifies the import range for converting a PowerPoint document to HTML format.
Import range
Import all slides
Select this option to import the whole PowerPoint file.
Import specific slides
Select this option to import specific slides. Enter the slide numbers separated by commas, and/or slide ranges such as 3-7.