The Compatibility Pack needs to be installed on each client that wants to
view files in the native Office Open XML format. I believe you can push it
out from a server. I do not remember if a restart is needed, sorry.

Daddy

"shipchik" <shipchik@discussions.microsoft.com> wrote in message
news:005D6A18-4E69-4FE9-A558-AF7834D25B1A@microsoft.com...
> We are currently running 2003 office system and reqire the Compatibility
> Pack
> to open the 2007 documents. Does this pack need to be installed on all
> individual systems or on the server? Thanks for your help!