How to: Adjust organization chart in PowerPoint.
Solution:
Select the organization chart, and reapply the slide layout to it.
1) Select (single-click) the desired organization chart. (Handles appear around the border.)
Handles around OrgChart
2) Select the 'Format' menu and select 'Slide Layout...'. (The Slide Layout dialog box appears with the Organization Chart layout selected.)
OrgChart Layout
3) Click 'Reapply'. (The organization chart is adjusted and scaled to the center of the slide.)
NOTE: To undo the adjustment, select the 'Edit' menu and select 'Undo Slide Layout'.
4) Click outside the organization chart to deselect it.