If you need a OpenDocument presentation instead PowerPoint one, simply re-save the PPSX file to ODP in PowerPoint, or any other open source alternatives like Impress.
Convert Microsoft PowerPoint 2007/2010 Open XML complete slide show to OpenOffice.org OpenDocument presentation.
We found 4 software records in the database related to .ppsx to .odp file format conversion.
Microsoft Windows software - convert ppsx to odp on Windows
A presentation program from the Microsoft Office suite
Convert from ppsx file format
|Yes, Microsoft PowerPoint supports ppsx file conversion as a source file type.||Yes||Yes||ppsx editor||Yes||No||No||No|
|Yes, Microsoft PowerPoint supports odp file conversion as a target file type.||Yes||Yes||odp editor||Yes||No||No||No|
The tables with software actions are a good pointer for what a certain program does with various file types and often may give users a good hint how to perform certain file conversion, for example the above-mentioned ppsx to odp. However, it is not perfect and sometimes can show results which are not really usable because of how certain programs work with files and the possible conversion is thus actually not possible at all.
Apple macOS / Mac OS X software - convert ppsx to odp on OS X
Mac version of popular presentation software from Microsoft
Multiplatform software - convert ppsx to odp on any platform
Free presentation program from OpenOffice.org
Powerful multimedia presentation software tool from LibreOffice suite