To open a This format file: Double-click it — opens in PowerPoint. Free alternatives: Google Slides (online), LibreOffice Impress (free download), Keynote (Mac built-in), or PowerPoint Online (free at office.com). All can view and edit this file presentations.
View the file
PowerPoint Presentation
Quick Facts About The extension Files
Quick Facts
What is a This type File?
A PPTX file is Microsoft PowerPoint's modern presentation format, introduced in 2007. The extension files contain slides with text, images, animations, videos, and speaker notes. The format is based on XML and uses ZIP compression, making files smaller than the older PPT format. PPTX is the standard for business presentations, lectures, and professional slideshows.
How to Handle the files
PPTX files can be opened with:
- Free online: Google Slides, PowerPoint Online
- Free desktop: LibreOffice Impress
- Mac: Keynote (free)
- Paid: Microsoft PowerPoint
Recommended Programs
| Program | Platform | Best For | Price |
|---|---|---|---|
| Microsoft PowerPoint | Windows/Mac | Full editing | $69.99/year |
| Google Slides | Online | Free alternative | Free |
| LibreOffice Impress | All | Free desktop | Free |
| Keynote | Mac/iOS | Apple's presenter | Free |
Frequently Asked Questions About Opening PPTX Files
Related Presentation Formats
Quick Summary: How to Open These files File
To access this file on any device: Windows users can use built-in apps or free software. Mac users have native support. Mobile users can download free apps. The easiest way to work with this file types is using the recommended tools above.
This type Conversions
Convert PowerPoint presentations: