How to: Format an arrow in Excel.
Solution:
Select the arrow, then select 'Object...' from the 'Format' menu. Click 'Patterns' tab from the 'Format Object' dialog box and update the line and arrowhead selections as desired.
1) Select the arrow to be formatted.
2) Select the 'Format' menu and select 'Object...'. (This displays the Format Object dialog box.)
3) Click the 'Patterns' tab.
4) Make the desired changes to the line format in the 'Line' group.
5) Make the desired changes to the arrowhead format in the 'Arrowhead' group.
NOTE: The size, color, weight, protection, printing, and positioning of the arrow can be changed.
6) Click 'OK'.