Elizabeth, WorldReg is the tool you need. If you search the archives, I'm sure you will find a link to it.
Dan ----------------------------- Daniel P. Laux South Branch Resources LLC Apache Junction, Arizona ----------------------------------------------------- In a message dated 9/23/2004 12:08:12 PM US Mountain Standard Time, [EMAIL PROTECTED] writes: Elizabeth, As far as I remember MapInfo support GeoTiff not the Tiff World File (TWF). Are you sure you have done this before ? Maybe you used some tool ? Peter Horsbøll Møller GIS Developer Geographical Information & IT