>http://filext.com/p.htm > >i just typed 'file extension' into google... thanks aardvark, i'll add that to http://rudy.ca/fqa.cfm#A109 Ext Search http://www.extsearch.com/ Wotsit's Format http://www.wotsit.org/ whatis.com http://whatis.techtarget.com/fileFormatA/0,289933,sid9,00.html rudy