No, because WinMail now uses Windows Contacts and not the wab file anymore.
You can ask in an Outlook forum. Maybe someone there knows how to do it.

steve

"David Wess" <dwess@wess.com> wrote in message
news:2AF1270D-314A-4435-8A02-9319D0270C45@microsoft.com...[color=blue]
> Sure, but every time I update my Outlook file, I have to reimport them
> into Windows Mail. with XP, there was a well-known registry hack to use
> OL2003 contacts in Outlook Express. Is there such a thing for Vista?
>
> "Steve Cochran" <scochran@oehelp.com> wrote in message
> news:541B72B1-3B59-449E-8030-F69C3E369988@microsoft.com...[color=green]
>> You can export those as a csv file from Outlook and then import them into
>> WinMail.
>>
>> steve
>>
>> "David Wess" <dwess@wess.com> wrote in message
>> news:338A63C0-9E30-4603-A5AD-CD3500B645E1@microsoft.com...[color=darkred]
>>>I have about 2,700 contacts stored in Microsoft Outlook 2007. When I
>>>write mail in Windows Mail, I would like to be able to use these
>>>contacts. Can this be done? If so, how?[/color]
>>[/color]
>[/color]