You can simply resave PPT presentation to PPTX format in Microsoft PowerPoint 2010 and later.
Convert Microsoft PowerPoint 97 to 2003 presentation to Microsoft PowerPoint Open XML presentation.
We found 11 software records in the database related to .ppt to .pptx file format conversion.
Microsoft Windows software - convert ppt to pptx on Windows
A presentation program from the Microsoft Office suite
Convert from ppt file format
|Yes, Microsoft PowerPoint supports ppt file conversion as a source file type.||Yes||Yes||ppt editor||Yes||No||No||No|
|Yes, Microsoft PowerPoint supports pptx file conversion as a target file type.||Yes||Yes||pptx 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 ppt to pptx. 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.
A presentation graphics application from Corel WordPerfect Office
An universal picture and document converter
A free set of productivity tools for creating and editing of various documents, spreadsheets or presentations from IBM
One of the many available document converters
Apple macOS / Mac OS X software - convert ppt to pptx on OS X
Mac version of popular presentation software from Microsoft
The most popular presentation software for Mac
Windows Mobile/CE software - convert ppt to pptx on Windows Mobile
A fully working office suite for Windows Phone smart phones
Blackberry mobile phones and devices software - convert ppt to pptx on Blackberry
Office suite app for BlackBerry devices.
Multiplatform software - convert ppt to pptx on any platform
Free presentation program from OpenOffice.org
Powerful multimedia presentation software tool from LibreOffice suite