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| Name | PPSX | |
| Full name | PowerPoint Open XML Slide Show | PDF - Portable Document Format |
| File extension | .ppsx | |
| MIME type | application/vnd.openxmlformats-officedocument.presentationml.presentation | application/pdf, application/x-pdf, application/x-bzpdf, application/x-gzpdf |
| Developed by | Microsoft | Adobe Systems |
| Type of format | Document File | Document format |
| Description | PPSX is a PowerPoint Open XML Slide Show - it is primarily designed to be non-editable and to simply playback the Powerpoint presentation. It differs from PPTX which allows for the file to be editable. The 'X' extension refers to Microsoft Office 2007, 2010 and 2012 which ZIP compress the file and is therefore different from the previous versions which were generally have larger file sizes. | The Portable Document Format (PDF) is a file format used to present documents in a manner independent of application software, hardware, and operating systems. Each PDF file encapsulates a complete description of a fixed-layout flat document, including the text, fonts, graphics, and other information needed to display it. |
| Technical details | PPSX are compressed and based on the ECMA-376 standard for Office Open XML. It supports Text, Images, Audio and Video and is stored in a zipped directory format which matches the OPC structure. Just like the PPTX format the PPSX format improves file sizing, data recovery and data management and allows for other applications to interact with it due to the XML structure. | The PDF combines three technologies: A subset of the PostScript page description programming language, for generating the layout and graphics. A font-embedding/replacement system to allow fonts to travel with the documents. A structured storage system to bundle these elements and any associated content into a single file, with data compression where appropriate. |
| Associated programs | Apple Keynote, Microsoft PowerPoint, OpenOffice | Adobe Acrobat, Adobe InDesign, Adobe FrameMaker, Adobe Illustrator, Adobe Photoshop, Google Docs, LibreOffice, Microsoft Office, Foxit Reader, Ghostscript. |
| Wiki | http://en.wikipedia.org/wiki/Microsoft_PowerPoint | https://en.wikipedia.org/wiki/Portable_Document_Format |