On 11/8/2015 1:22 PM, Michael J. Hannah via wrote: > I prefer to do most of the combining manually rather than using copy, as > I have very personalized data entry methods and standards. You can have > these two versions as two datasets in one project so as to be able to do > move/copy. But my trick is to (also) have a second separate "from" > project containing the dataset being copied "from". It could contain > only the "from" dataset, or could be a copy of the original two-datasets > project. You can have open (at most) two separate copies of TMG at the > same time. So I have each project open in the two separate windows of > the two copies of TMG. Michael, I agree with most everything you have said, but have a question about his point. Why have a separate copy of the Project instead of just opening two copies of the same project? Terry Reigel