We work with very large documents which are compiled by many authors.  We
utilize Word 2003 and OS XP.  Here is the problem:

It is almost always with the tables that get currupted (i.e., our styles do
not behave right in the table) when one or more of the following has occurred:

Authors have used track changes
Authors have Word 2007
Authors have copied things from multiple documents

Even when we paste the document into a fresh template, it occurs and we
spend lots of time reformatting tables (i.e., we strip out styles, clear
everything in a different document, then bring the tables in again)  We also
see styles getting corrupted (i.e., especially the style Caption, table text,
etc.) by Word automatically defaulting to auto-numbering or auto bullets.

What is happening and how can we fix it?