Does anyone know where a comprehensive (preferably updated regularly) list of this extension types info is? The one I found yesterday after asking about this is http://extsearch.com . This is a user updated database so it should be fairly up to date. Jay Blanchard Web Engineer Thermon Industries, Inc. 1.800.820.HEAT x327 ___________________________________________________________________________ Visit http://www.visto.com/info, your free web-based communications center. Visto.com. Life on the Dot.