BO 4.2 allows the ability to copy an entire table element between multiple reports using the Shared Elements feature.
To begin, locate the table you wish to save.
Right click within the element
Select "Save as Shared Element..."
Save the table with a name of your choice in your desired folder.
To use your saved Shared Element within another report:
Click on the Shared Element tool window on the left,
Find the correct folder the element was saved into
Drag and drop the desired element into the report.