In short, you can't, other than protect formulas and VBA code. If you want
to get serious, see;
http://www.ozgrid.com/excel-add-ins/xl-safe.htm



--
Regards
Dave Hawley
www.ozgrid.com
"Vanessa Simmonds" wrote in
message ...
Hi there,

I have develepod a workbook at work which I am now being asked to share
with
other departments.

I would like to protect it from plagiarism before sharing it.

How can i do that in excel 2007?

Best Regards,

Vanessa Simmonds