I am trying to hide columns on a sheet and not allow user to unhide them.
When I go into a blank workbook and hide columns and protect the sheet, the
hidden columns can not be unhidden. In the file I am working on, the hidden
columns on a protected sheet can still be unhidden. I checked the format
column box in the password protection box. All cells in the column have
locked checked when you go into format cells.

Thanks
Dave