How do I get a list of column headers in Excel?
Go to the Table tab on the Ribbon. In the Table Style Options group, select the Header Row check box to hide or display the table headers.
How do I make column headings diagonal in Excel?
Rotate text and borders in column headings
On the Format menu, click Cells. On the Border tab, apply vertical borders to the left, right, and middle of the range. On the Alignment tab, in the Orientation box, enter a degree value or drag the indicator to the angle that you want.