Powerpoint problems

Help!!!! I can't access my old powerpoint presentations. When I click on a recently changed or an old presentation in my "documents" the same powerpoint keeps coming up. I can't access another one besides this one. Does this make sense? I can create a new presentation but as soon as I save it and retrieve it, the same old powerpoint comes up once the one I'm trying to retrieve flashes on the screen.

I'm frustrated!

Go to  menu > System Preferences > General

Tick Close windows when quitting an application

Welcome to Mac-Forums..

What version of Office do you have here? Can you go the File->Open route to open up your newly created presentation or look under File->Recent to find it?

In applications like Preview, any open document from the previous time is opened alongside any new ones you just tried to open, so you have to close all of the documents before quitting the application to ensure that you only get the one document you wanted..