PPTHTML to PPSX Convert Online Free PPTHTML to PPSX converter

How to convert PPTHTML to PPSX?

You can convert PPTHTML files to PPSX format in several ways. The most proven option is to download dedicated software that allows you to convert between the PPTHTML and PPSX formats. At the bottom you will find a list of software programs that support PPTHTML and PPSX files and can also save them in new file formats.


The PPTHTML file extension is a PowerPoint HTML Presentation file. The PowerPoint software creates this file when it detects that the presentation you are working with has been changed. This type of presentation is saved in a proprietary format that cannot be opened by any other software without potentially damaging the work. This article explains what data is stored in a PPTHTML file and why Microsoft created this specific format of presentation.

Full Name PowerPoint HTML Presentation
Developer Microsoft
Category Web Files

PPSX File Type

The PPSX file extension is a PowerPoint Open XML Slide Show file type. The file can be opened in PowerPoint and it allows for the editing and publishing of presentations. PPSX files use XML and CSS to render slideshows in PowerPoint. It also supports various elements such as animations, images, video, and audio. It's a way to unify the presentation design across devices. The file extension was introduced in 2007 with the release of Windows Vista to replace the PPT format that was used in previous versions of Windows.

Full Name PowerPoint Open XML Slide Show
Developer Microsoft
Category Data Files

Software, that convert PPTHTML files

The list contains a list of dedicated software for converting PPTHTML and PPSX files. The list may also include programs that support PPTHTML files and allow you to save them with different file extensions.

PPTHTML to PPSX Converters

  • Microsoft PowerPoint
  • Microsoft PowerPoint for Mac
  • 2 PPTHTML to PPSX converters

PPTHTML and PPSX conversions