Convert Macromedia Flash file to FLA with Eltima SWF to FLA Converter for PC.
BS Editor: SWF to FLA Converter for PC is a new tool to convert any Macromedia Flash file to the original FLA. Thanks to it, you can customize any file available on the Internet (providing that you dont abuse copyright notes) to suite your needs.
Full features list:

*Unique SWF conversion algorithms make this program the most reliable and fastest way to restore original FLA from SWF
*Over 50 options available to Extract sounds, images, videos, shapes, frames, morphs, fonts, texts, buttons, sprites and ActionScripts with the great accuracy
*Flash 8 and ActionScripts 2.0 are supported
*Provides ability to extract every object into a separate layer
*Group SWF objects (text/motion/sound/ActionScripts, etc.) into a separate library entry for better representation
*Specify folders name for each FLA library
* Sophisticated morphs conversion algorithms are supported to ensure that all frames are correctly extracted
*Convert many Broken or incorrectly compiled SWF files
*Customize resulting FLA project to suite your needs (enable/disable grids, guides, advanced snapping options, etc.)
* On-screen detailed conversion parameters description
* Professionally selected Default conversion settings helps you achieve the best results
*Easy-to-use interface with intellectual, fully customizable controls
* All Flash versions supported for decompilation (converted FLA files are editable starting with Flash MX)

Whats new:
* Added: Manage Flash Components dialog to centralize and simplify Flash Components management
* Completely reworked Flash Components decoding Algorithm
* Motion tween handling mechanism is changed (Length Factor option is added) you can free download SWF to FLA Converter for PC 2.9 now.