The easiest way would to be a NEW superlist with just the two sub-lists. In fact, you might want three more superlists. Say that the 3 existing sub-lists are called a,b,c, then: a,b a,c b,c /P At 12:18 11/21/2005 Monday, Patrick B. O'Brien wrote: >Let's say I build one Super-List containing 3 sub-lists. > >I only want to send an email to 2 of the 3 sub-lists which could contain >duplicate emails in these 2 sub-lists.