Open Powerpoint Slide from a WinForm; vb.net dll won't release powerpoint; PowerPoint 2003 cannot open PPT … By clicking “Post Your Answer”, you agree to our terms of service, privacy policy and cookie policy. Open a PowerPoint presentation. First, convert it to PPTX either through PowerPoint or a PPTX conversion tool (these are usually the same as PPT converters, like the ones mentioned below). Download Share Share. PowerPoint Viewer has been retired. Thanks! site design / logo © 2020 Stack Exchange Inc; user contributions licensed under cc by-sa. The HTML