用外掛程式，擴增無限可能。
運用數千種外掛程式來新增功能、使用你最喜愛的工具；所有 WordPress.com 付費方案皆可使用。
ppt
3 外掛程式
SlideOnlineEasily embed your presentations in a WordPress blog. SlideOnline.com is a free service to share PowerPoint presentations online.
PDF and PPT ViewerThis plugin helps you embed PDF documents and Power Point presentations to your posts quickly and easily. No Flash required, pure JavaScript!
Responsive SlideResponsive iframe for embed slideshow.