Add a new master
1.On the Masters navigator of the Pages main tab, right-click a master you want to duplicate.
2.Select Duplicate.
3.When prompted, enter the master name (the Copy of <original_name> is offered by default).
Alternative: on the Editions main tab, open the edition where the master belongs. Right-click a list of masters and then select New master, or Duplicate selected.
Spike a master
On the Masters navigator of the Pages main tab, right-click a master you want to spike, and then select Spike.
Note: you cannot spike a master that is used on any page.
Alternative: open the edition (on the Editions main tab – to do it from the Pages navigator, right-click a page and then select Edit Edition) where the master belongs. In the Master pages pane, right-click a master and then select Delete, or Delete unused.
To learn more, see also