For the button to be active, the active document must be a mailmerge
document with a data source attached to it and with at least one merge field
in the document. Do you have that?

Signature
Hope this helps.
Please reply to the newsgroup unless you wish to avail yourself of my
services on a paid consulting basis.
Doug Robbins - Word MVP
>I seem to have inadvertently disabled the mailmerge toolbar button View
>Merge
> data. Using Word 2003. Access 2002