You can copy only the contents of a box or only the formatting for a box.
To copy box contents:
1 With your chart open, choose the box you want to copy.
2 Click the Home tab and select Copy | Copy Contents from the Clipboard section. The content of the selected box is copied.
3 Choose the target boxes and select Paste from the Clipboard section. The content of the selected box is pasted into the target box.
To copy box format:
1 With your chart open, choose the box you want to copy.
2 Click the Home tab and select Copy Format from the Clipboard section. The format of the selected box is copied.
3 Choose the target boxes and select Paste from the Clipboard section. The target boxes are reformatted.