How to Open .PPSX files
Windows
Mac OS
Additional extension information
| File type: |
Data |
| Popularity: |
 Widespread |
| Author: |
Microsoft |
| MIME type: | Not specified |
The .PPSX extension belongs to the Microsoft Office 2007 suite (and above) and is a new format based on XML. This new XML format currently applies to the Word, Excel and PowerPoint components of MS Office and is known as the Microsoft Office Open XML format.
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