Using v2008, how can I link to identical excel sheets (in terms of available fields) in such a way as to only return data that is present in one sheet, but not the other? I ran a mail merge list out of my database, merged the letters, etc. Then our volunteer coordinator said a lot of names were missing from the static list she has been keeping on her own for years. I would like to cross reference the two lists so that I can spit out a mail merge list of names that are in her list, but are not in mine. Please advise. Thanks.