To Rename all the Print Definitions in a Print Set

In the Print Organizer dialog, select Edit > Select All.
Select Edit > Rename by Expression.
The Rename Print Definitions by Expression dialog opens.
Select an expression from the Expression name drop-down list box.
(Optional) Click Preview Names to see the new print definition names.
Click OK.
The Rename Print Definitions by Expression dialog closes and the print definitions are renamed.