mail merge with MS Office 2003

Mail merge turns out to be easy to do, even easier than this document says:
http://www.wellesley.edu/Computing/Office03/MailMerge03/letexistdata.html

Basically, you just have to go to Tools -> Letters and Mailings -> Mail Merge
and follow the wizard clicking Next, Next. Just choose data source and insert suitable field at suitable place in the Word document.

The screenshots detail the procedure.