PPTX Microsoft PowerPoint Presentation

The PPTX file format is a type of presentation file used by Microsoft PowerPoint, a popular presentation software. Here’s what you need to know about it:

What does PPTX stand for?

PPTX stands for PowerPoint Presentation XML.

File format structure:

A PPTX file is a ZIP archive that contains several files and folders. These include:

  1. [Content_Types].xml: This file defines the content types used in the package.
  2. _rels: This folder contains relationship files that define how different parts of the presentation are related to each other.
  3. ppt: This folder contains the main presentation data, including slides, layouts, and themes.
  4. docProps: This folder contains document properties, such as author information and comments.

Key features:

  1. XML-based: PPTX files use XML (Extensible Markup Language) to store data, making them more flexible and open than the older binary PPT format.
  2. Compressed: PPTX files are compressed ZIP archives, which reduces file size and makes them easier to transfer.
  3. Package structure: The PPTX file is a package that contains multiple files and folders, each with its own specific role in defining the presentation.

Comparison with older PPT format:

The PPTX format was introduced in PowerPoint 2007 as a replacement for the older binary PPT format (used by PowerPoint 97-2003). Key differences between the two formats include:

  1. XML-based vs. binary: PPTX is XML-based, while PPT is a binary format.
  2. Compression: PPTX files are compressed, while PPT files are not.
  3. Package structure: PPTX files have a package structure with multiple files and folders, while PPT files are single binary files.

Software support:

PPTX files can be opened and edited by:

  1. Microsoft PowerPoint 2007 and later
  2. LibreOffice Impress
  3. OpenOffice Impress
  4. Google Slides (with some limitations)