.pptx — Microsoft PowerPoint Presentation
Microsoft PowerPoint's modern XML-based presentation format, the standard for slideshow documents in Office.
Safety guidance (not a guarantee)
This format can contain macros or embedded scripts that run code when enabled. Keep macros disabled unless you trust the source and specifically expect them.
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File extension lookup
Frequently asked questions
What is a .pptx file?
Microsoft PowerPoint's modern XML-based presentation format, the standard for slideshow documents in Office.
Can I edit a .pptx file?
Yes — .pptx files are commonly editable with software such as Microsoft PowerPoint.
Does having a .pptx extension mean the file is safe?
No single extension can guarantee that. This format can contain macros or embedded scripts that run code when enabled. Keep macros disabled unless you trust the source and specifically expect them. Always consider where the file came from, not just its name.
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