Get your hands on CS5 and you can save the CS5 file as a CS4 file (less any features not supported by CS4).
ha yea that is one of the more frustrating things with the versions of flash is even when not needed its really hard to get back into older editors.
even if you have Flash CS5.5 you can downgrad it to Flash CS4 if you have no way to get it send me an email and i can downgrade it for you not a big deal my email is [... personal contact info removed - use Private Message to convey personal info ...]
Hi would you be able to convert a cs5 file to a cs4 file for me? If so could you send me your email, it would be a great help as my school it project needs to be done this week.