Compare Microsoft PowerPoint and Apple Keynote formats — understand the key differences and when to use each
Microsoft PowerPoint
PPTX is the modern Microsoft PowerPoint presentation format, based on the OOXML standard. PPTX files contain slides with text, images, shapes, charts, SmartArt, tables, video, audio, animations, transitions, and speaker notes. The format supports slide masters and layouts for consistent design, embedded fonts, hyperlinks, and action buttons. PPTX presentations can contain hundreds of slides and are used for business presentations, educational lectures, conference talks, and marketing materials. PPTX is supported by Microsoft PowerPoint, Google Slides, LibreOffice Impress, Apple Keynote, and Canva. Converting PPTX to PDF creates a universally viewable, non-editable version ideal for distribution.
Apple Keynote
Apple Keynote (.key) is a presentation file format.
| Feature | PPTX | KEY |
|---|---|---|
| Full Name | Microsoft PowerPoint | Apple Keynote |
| File Extension | .pptx | .key |
| Category | presentation | presentation |
| Free to Convert | ✓ Yes | ✓ Yes |
| Browser Support | ✓ All Browsers | ✓ All Browsers |
| Convert to Each Other | ✓ Yes | ✓ Yes |
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