Subsets can be copied to the clipboard using the Copy operation. When copied, the subset remains in the design, and a copy is also placed on the clipboard.
How To Copy Subsets
1
Begin by highlighting the subset(s) to be copied in the Explorer Tree.
2
Choose "Copy" from the "Edit" menu.
Alternative 1: Use the Copy icon on the Standard toolbar.
Alternative 2: Right-click on one of the highlighted subsets and select "Copy"