Save As Office 97-2003
When you
save a presentation in Microsoft PowerPoint 2007 or 2010, you should
be aware that this is a new file format and that companies with a
previous version of Microsoft PowerPoint might not be able to open
or edit your work.
Here are
the steps you can take to create a copy in PowerPoint 97-2003.
Before
You Begin: The Spring Has Sprung.pptx presentation that you
saved on the previous page is open.
Try it: Save As Previous Version
Go to
File ->Save As.
Keep
going...