Allows you to insert the entire file or specific elements in the file.
To insert specific elements from a file:
Click the plus sign next to the file name and select the elements you want to insert. Hold down CommandCtrl to add to or Shift to expand your selection.
If you want to insert the file as a link, select Link.
At the prompt, click Yes to scale the elements to fit on the slide or No to preserve the original size of the elements.
Inserts file or file elements as a link that is automatically updated when the source file is modified.
Delete unused backgrounds
Unused master pages are not inserted.