How do I make a water mark on an excel spreadsheet?

[Lelindar]

Is it possible to add a water mark to an excel spreadsheet with the word
Confidential?

 

[John Mansfield]

There is an example on this site:

http://www.xl-logic.com/pages/formulas.html

It's the third download file from the bottom.

Another alternative is to use Excel's WordArt feature. You can position the
art where you want it on the worksheet and then make adjustments to the
graphic.