Tools->Options let you set the background color.
"MaryFran" wrote in message
news:11487305.1109951573038.JavaMail.jive@jiveforum1.autodesk.com...
> Hello,
>
> I have just downloaded the DWF viewer to help a co-work view some Cad
> drawings. But the back ground is all black is there a way to change the
> display colors?
> Thank you!