Protect the worksheet. Tools menu, Protection, Protect Worksheet.
Use a password if desired.


--
Cordially,
Chip Pearson
Microsoft MVP - Excel
Pearson Software Consulting, LLC
www.cpearson.com


"brianb" wrote in message
...
for example col c is the result of col a times col b. i only
want people to
see the results in col c. i don't want them to see the data in
a and b. so i
hide those columns. but how do i make it so they can't
unhide?? thanks,
excel 2003