This is a task I have that I really don't have a clue how to handle. My boss has a folder of e-mails and he just wants to keep the last e- mail from the conversation. Sounds easy enough, just filter on the conversation and sort by date. I could run some code to delete all but the last one. However, sometimes a thread branches out into multiple threads, but the conversation stays the same. He may send an e-mail to three people and then hold conversations with each person. Those threads could even break into different conversations with other people, but I believe the conversation field would stay the same. I'm picturing the a tree, where the trunk is the conversation, but each branch breaks off into more branches and maybe the final e-mail is the leaf. I need something that collects all the leaves-- I need a leaf catcher. Is there a way to do this?