I agree 100%! I am just trying to convince my employers of that. ;P

CWinApp::SetRegistryKey() determines where it goes. Under that key will be an appname key. Under that key will be keys specified in the lpszProfileName parameter of SaveState(). You can always step into the MFC code in the debugger and see the actual key strings. Mark This episode brought to you by the number 5

660 columns :omg:. Write your own List Control? :) Seriously, thats a HELL OF A LOT of columns to be handling all at once, if your dealing with that much data in one go i'd be thinking of designing a better UI, maybe a collapsible grid so you only show relivent information in groups or something... Just a suggestion... Gavin Taylor w: http://www.gavintaylor.co.uk