reinstalling office 2007

I've already installed office 2007 on 2 computers @ home which is the max I
do. I need to reformat one of my computers, so I was wondering if I need to
purchase a new product key or if I am able to reinstall it on the same
computer without doing so? thank you

you should be able to do so by choosing the phone activation method and
explain your case
"lisap" <lisap@discussions.microsoft.com> wrote in message
news:1BA16AB1-BD07-448D-A25D-6421C88894D7@microsoft.com...
> I've already installed office 2007 on 2 computers @ home which is the max
> I
> do. I need to reformat one of my computers, so I was wondering if I need
> to
> purchase a new product key or if I am able to reinstall it on the same
> computer without doing so? thank you