How do I convert PPSX to PPT

PPSX to PPT converter

Surname PPSX PPT Full namePowerPoint Open XML Slide ShowPPT - Microsoft PowerPoint Binary File FormatFile extension.ppsx.pptMime guyapplication / vnd.openxmlformats-officedocument.presentationml.presentationapplication / vnd.ms-powerpointDeveloped byMicrosoftMicrosoftType of formatOffice applicationsdescriptionThe extension enables you to save audiovisual and textual information as a presentation or slide show. Is only used to display the presentation that has been created and has no editing functions. It is based on the XML format and can be opened with PowerPoint 2007 and newer versions. The file can be viewed by users who do not have a commercial PC version of MS PowerPoint. You use the PowerPoint Viewer for this.After Microsoft previously used the proprietary, not openly documented format .ppt, since PowerPoint 2007 and 2008 the presentations have been saved by default in the Office Open XML format (.pptx).Technical detailsFile conversion PPSX Converter PPT converter Associated programsApple Keynote, Microsoft PowerPoint, OpenOfficeMicrosoft Office, LibreOffice, Kingsoft Office, Google Docs.Wiki http://en.wikipedia.org/wiki/Microsoft_PowerPoint https://en.wikipedia.org/wiki/Microsoft_PowerPoint#File_formats