PowerPoint 97 files are OLE DocObject files consisting of the following streams:
Current User - Keeps the name of the user who last opened the presentation.
PowerPoint Document - Keeps all of the information about a PowerPoint presentation. This document explains its layout and contents.
Pictures (Optional)– Contains data about the pictures (metafiles, PNG, JPG, etc) contained in a PowerPoint presentation.
Summary Information and DocumentSummaryInformation (Optional) - Keeps statistics about the document, following a Microsoft Office standard. For more information about these streams refer to the Microsoft Word 97 Binary File Format document.
The storage elements in PowerPoint files can be viewed with the PowerPoint File View application that accompanies this document. The following is a screen shot of the file viewer showing the contents of a PowerPoint 97 file.
Contents of a PowerPoint 97 file: