Thanks, Hugh and Monte, for your replies on this one. Greg On Sunday, December 22, 2002, at 10:00 PM, metacard-request at lists.runrev.com wrote: > Does closing a big stack (of a multi-stack project) free up memory? > > Yes it will... but only if you set the destroyStack and destroyWindow > properties to true (see the check-box in Edit/Stack properties).