Hi Carolyn,

The main issues you will have to deal with when combining two Word documents are:
1. Page layouts (eg paper size, margins, headers & footers) that differ; and
2. The way the various document creators might have defined and used paragraph and character Styles.
The first of these can largely be overcome by adding Section breaks to the source documents and copying the documents with those Section breaks to the new document.

The second is more problematic, as a given Word document can have only one definition of a given Style. In practice, this means any material inserted from the source documents will adopt the Style definitions applying in the target document. With Word 2003 & later, however, you can get around this via Copy & Paste, and telling Word to retain the source formatting.

Other potential issues relate to page numbering and the use of bookmarks, Tables of Contents, footnotes & endnotes.

All of these issues can be dealt with, but none of them permits a straightforward copy/paste or InsertFile.

__________________
Cheers,
Paul Edstein
[Fmr MS MVP - Word]