Group all the sheets in the workbook, click the button to the left of the
column letter A and above the row number 1 to select all the cells in the
selected worksheets.

Click FORMAT in the menu and select CELLS.

Click the PATTERNS tab and select CELL SHADING flavor of your choice.
--
Kevin Backmann


"eva" wrote:

how do we change the backgroung color of the excel book?
Please help