| File Type |
PowerPoint Open XML Slide Show |
| File Format |
File |
| Common? |
No |
| File Description |
Non-editable PowerPoint slide show format used for playing back presentations and slide shows created in PowerPoint 2007; similar to the .PPTX format, but is only used for slide show playback and cannot be altered; uses the Open XML format introduced in Office 2007. |
| Program(s) that open ppsx files |
Mac: Microsoft Office Open XML File Format Converter
Windows: Microsoft PowerPoint 2007 or PowerPoint Viewer; Previous versions of PowerPoint with Open XML support |
