Okay, just found this...
"Take a look at Stephen Bullen's Excel page at
http://www.bmsltd.co.uk/Excel/Default.htm where you will find a download
called PastePicture.zip which shows (amongst other things) exactly how
to save a chart as an EMF."
"NickP" <(E-Mail Removed)> wrote in message
news:%23I$(E-Mail Removed)...
> Hi there,
>
> Looking at the object library documentation for Excel it suggests that
> I would be able to use EMF as an export format for a chart object in a
> spreadsheet. This makes sense to me as surely its in EMF format anyway,
> unfortunately it seems to fail...
>
> Is EMF a supported format for exporting charts? If not what are the
> supported formats?
>
> Many thanks in advance.
>
> Nick.
>