Theoretically (and hopefully), yes, you can edit and save AS1 files in any version of Flash.
THANKS........as i have heard conflicting opinions
...some people saying that although i can open and edit the macromedia as1 files in adobe i can not save them in that form.
i really like using as1 as i am so familiar with it now and i want to be able to carry on using it in adobe and create new as1 files as well as use my existing
You can always install it for a free 30 day trial before buying it to make sure it works as expected. But honestly, if you have MX and it does what you need it to, why do you want to get CS5?
GUESS UR RIGHT ..I SHOULD STICK WITH MX.........