Extract files or objects from a PowerPoint file - PowerPoint

From Microsoft:

1. Click the presentation that you want, right-click it, and then click Rename. 
2. Change the file extension (.pptx) to .zip. 
3. Press Enter to set the name, then click Yes in the Rename dialog box. 
4. Double-click the zipped file to open an Explorer window for the content files. 

The zipped file contains several folders, many of which contain information such as XML code or properties. Objects such as videos, sound files, or pictures are found in the ppt folder, in the media subfolder.

Extract files or objects from a PowerPoint file - PowerPoint: