All file extensions
.PPTX File
What is it?
PPTX is Microsoft PowerPoint's modern presentation format (an XML-based ZIP archive), used for slideshows with text, images, and animations.
How do I open it?
Opens in Microsoft PowerPoint, Google Slides, LibreOffice Impress, or Apple Keynote.
Is it safe?
Usually, but like DOCX and XLSX, PPTX can contain macros. Only enable macros in presentations from senders you trust.
Can I delete it?
Safe to delete once no longer needed.