To rotate cell data, follow these steps:<span>1.Select the cells you want to format.2.On the Home tab, in the Alignment group, click the Orientation button. 3.A list of options appears:Choose an option: Angle Counterclockwise: Angles the text in the cell from bottom left to top right.
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Choose an option:
<span>Angle Counterclockwise: Angles the text in the cell from bottom left to top right.Angle Clockwise: Angles the text in the cell from top left to bottom right.Vertical Text: Centers the text and places one letter on top of the other.Rotate Text Up: Places the text on the lower-right side of the cell and runs it vertically up the cell.Rotate Text Down: Places the text on the lower-left side of the cell and runs it vertically down the cell.</span>
I think it's 900 but I can't be sure.