The issue here is that each bookmark in a document must be unique and when
you execute a mail merge to a new document, that document would have
multiple instances of what would be the same bookmarks, which is contrary to
the above rule.
I must say that I have not tried this, but you might try the using the addin
that you can download from fellow MVP Graham Mayor's website at:
http://www.gmayor.com/individual_merge_letters.htm
to create a separate document for each record in the data source and see if
the the functionality is retained in each of those documents. Failing that,
you are going to have to create the table of contents in each individual
document.

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 created a Word merge template in report format that includes a Table of
> Contents (TOC). The data elements are all in Excel. The merge works
[quoted text clipped - 12 lines]
>
> Any ideas for making the TOC work in a Merged file? Thanks.
allened - 02 Aug 2007 20:32 GMT
I tried doing a merge for a single record and the TOC does not function even
by doing this single record merge. Thanks though. I'll take a look at the
add-in and see if that might help.
> The issue here is that each bookmark in a document must be unique and when
> you execute a mail merge to a new document, that document would have
[quoted text clipped - 27 lines]
> >
> > Any ideas for making the TOC work in a Merged file? Thanks.