You can select the arrowhead type for the beginning and end of the line. The selection can be made either before drawing the line or when editing the drawn line.

To select the arrowhead type, do the following:

1.On the Home tab, in the Line group, click Arrow type.

2.Select the left and/or right tip type from the drop-down list. If you want to remove previously selected tips, select the left and/or right tip type None in the first line of the drop-down list.

3.Click the  Arrow type button once again to close the drop-down list.