On 11/7/2015 2:15 PM, David via wrote: > I have two versions of the same family tree that I want to merge. Each > has several thousand entries. At the moment I have them both in the > same project and data set. They are differentiated by flags. What I > want is the union of the two. > > Can someone point to a guide or a discussion of best practice for > merging the two trees? > David, I don't understand. If they are in the same data set I'd say they are already merged. What else you do you want to do with them? Terry Reigel