I made an excel file in 2003 and it has lots of checkboxes made from
the control toolbox.

With the sheet protected these work in my 2003 excel but when my
coworker with excel 2007 it doesn't. They worked for her before I
protected the sheet. I'm not a 2007 user, so Is there something it
does differently in this regard to stop the checkboxes from working
while the sheet is protected and what to do about it?

And the kind of sheet protection I'm using is what I got from this
group. I have to use it because normal sheet protection disables too
much. Can you tell me if this has a problem in 2007?

With Worksheets("SheetX")
.Protect Password:="password", userinterfaceonly:=True
.EnableOutlining = True
End With