I opened an existing SmartDraw diagram on a page, edited the diagram, then saved it as a new diagram (Save as New Diagram). I then closed SmartDraw.
The new diagram was displayed on the page, as expected.
However, I want both diagrams (the original and the copy) on the page. I can't figure out how to get the original diagram back on the page. The files are in the attachments list, but I can't get at them from the page.