As for part 2, maybe...

It would depend on how much time you want to invest and what the particular
command is.

Reitanos wrote:

If I set Protection Options (ie prevent insert rows) in Excel 2007,
will those options be honored when saving a workbook in a previous
version format? How about if I save it as Excel 2007 and they open it
with MS's compatibility tool?

Other than protection, is it possible to use a macro to deny access to
a particular command?

Thanks.

--

Dave Peterson