hi

Have created workbook in exel 2002 for a friend that contains some macros.
When came to open in vista 2007 on his pc, it would not run macros owing to
the security level.
Is there a similar low-medium-high under tools as in 2002?  I did go into
trust centre, but unsure if this has left his pc vunerable owing to clicking
a"llow to open all macros" or something like that

All help appriciated

Brian