This can be useful when setting up a Consolidated Group, you can copy an existing account tree, choose the one that is closest to your structure requirements as a starting point.
In Calxa, navigate to:
Reports > Report Tools > Account Trees
ACTIONS at top right > Copy Tree
Select the Workspace you'll to copy the tree to (defaults to the same workspace)
Give your Tree a new name to make it easily identifiable in the Report Settings
Tick the box to Automatically allocate accounts.
Choose COPY TREE
Then you will need to map the Accounts from the other organisations into the Headers of this new Tree.