X0101 EFFECT 33 LIVE 2006-08-22

N-1A

0001359688 Morgan Stanley Institutional Strategies Fund 333-133862 S000012835 Morgan Stanley Institutional Strategies Fund C000034700 Class A S000012835 Morgan Stanley Institutional Strategies Fund C000034701 Class B S000012835 Morgan Stanley Institutional Strategies Fund C000034702 Class C S000012835 Morgan Stanley Institutional Strategies Fund C000034703 Class D