what is a pptx file?
The pptx file extension is an open XML document primarily used by Microsoft PowerPoint. pptx files can contain multiple slides, text, images, and other formatted content. It is primarily used for slide-show style presentations.
download pptx sample file
ffc.pptx example file is licensed CC0, Public Domain Dedication
pptx file extensions
pptx file extension name
Open XML Microsoft PowerPoint
pptx file type
secondary: slideshow, Microsoft
pptx file structure
pptx files generally contain one or more slides of formatted content. pptx files can contain embedded video, audio, and images as well as animated slides in the presentation.
pptx format specification and identification
pptx files are actually zip files in disguise. Replacing the .pptx extension with .zip on the sample ffc.pptx file reveals the following structure:
pptx MIME type
pptx file signature hex
50 4B 03 04
pptx ISO 8859-1
pptx magic number
50 4B 03 04 [PK]
pptx file character encoding / charset