Pull up a group either through "Add a New Group" or "Edit a Group"
Choose "Edit" from the top menu
Choose "Clone A Group"
Click on a group to clone
Choose "OK"
A message will appear
Cloning will replace any assigned User Members,
Project Assignments, and Group Rights
with those of the cloned Group.
Continue?
Choosing "No" will cancel the cloning proceedure. Choosing "Yes" will clone the rights of the group you have chosen including any projects or user members that are assigned.