Anne wrote:

I want to block non working hours of my Calendar so that others can
not post meetings on top of times when I'm not here. We were able to
do this in our former product can we in Outlook?

The best you can do is to add an appointment covering the non-working hours,
marking them as out of the office. It still won't prevent people from
including you in meetings at those times, but at least they can see you're
out of the office.
--
Brian Tillman