How to open Microsoft PowerPoint Open XML presentation .pptx files
Have you had trouble opening the pptx file on your computer? What are pptx files? We explain what they are and recommend software that we know will open them.
What is pptx file?
A pptx file extension is used for the default presentation format of latest editions of PowerPoint from Microsoft Office. PowerPoint slide shows are basically set of screens which can include text, graphic, sounds or videos used for various presentation purposes.
Microsoft PowerPoint Open XML presentation description
The pptx file extension is related to Microsoft PowerPoint version 2007/2010/2013/2016 and above.
PowerPoint is worldwide most popular powerful tool you can use to create and edit dynamic and great-looking presentations.
The pptx files are used for editable slide shows, which are very often used for presentations.
The pptx files may include formatted text, bullet points, images, movies, sound effects, or music. They are often built from one of many templates included with the Microsoft Office PowerPoint software, but may also be created from scratch.
They serve the same purpose as the PowerPoint presentation files (*.ppt), but are using the new XML structure, introduced in Microsoft PowerPoint 2007.
MIME type used for pptx files:
application/vnd.openxmlformats-officedocument.presentationml.presentation
Suggested software to open pptx file

Microsoft PowerPoint
A presentation program from the Microsoft Office suite

Microsoft PowerPoint for Mac
Mac version of popular presentation software from Microsoft

Office 365
Subscription-based service for Microsoft Office applications

Microsoft Office Mobile for Windows Phone
Microsoft office suite optimized for Windows Phone operating system

Microsoft Powerpoint for iOS
iOS version of Microsoft Powerpoint presentation software