You can simply resave older PowerPoint presentations in PPS format to newer PPSX format by using the File → Save as.. function in PowerPoint.
Convert Microsoft PowerPoint 97 to 2003 complete slide show to Microsoft PowerPoint 2007/2010 Open XML complete slide show.
We found 5 software records in the database related to .pps to .ppsx file format conversion.
Microsoft Windows software - convert pps to ppsx on Windows
A presentation program from the Microsoft Office suite
Convert from pps file format
|Yes, Microsoft PowerPoint supports pps file conversion as a source file type.||Yes||Yes||pps editor||Yes||No||No||No|
|Yes, Microsoft PowerPoint supports ppsx file conversion as a target file type.||Yes||Yes||ppsx 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 pps to ppsx. 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 pps to ppsx on OS X
Mac version of popular presentation software from Microsoft
The most popular presentation software for Mac
Apple iOS (iPhone, iPad, iPod Touch devices) software - convert pps to ppsx on iOS
Presentation software for iOS operating system, developed by Apple.
Multiplatform software - convert pps to ppsx on any platform
Free presentation program from OpenOffice.org