# Flash CS3 file with AS 3.0 classes to Flash 8 file

**URL:** <https://forum.kirupa.com/t/flash-cs3-file-with-as-3-0-classes-to-flash-8-file/283020>\
**Category:** flash\
**Created:** [March 1, 2009, 4:43pm UTC](https://forum.kirupa.com/t/flash-cs3-file-with-as-3-0-classes-to-flash-8-file/283020 "2009-03-01T16:43:55Z")\
**Posts on this page:** 1\
**Page:** 1

<div class="post-metadata">

**Author:** ![spectator](https://avatars.discourse-cdn.com/v4/letter/s/47e85d/32.png) [@spectator](https://forum.kirupa.com/u/spectator)\
**Post date:** [March 1, 2009, 4:43pm UTC](https://forum.kirupa.com/t/flash-cs3-file-with-as-3-0-classes-to-flash-8-file/283020/1 "2009-03-01T16:43:55Z")

</div>

I have file in CS3 which is working with classes. The problem is that I have to save it to lower version. I go to ‘Save As’ and choose Flash 8 document, but if i try to run the file it is not working. How can I save my CS3 + AS 3.0 file to Flash 8?