Ever get halfway through a project and wish you’d put everything into a symbol instead of on the main timeline? This extension takes care of that. It’s also helpful for combining multiple files into one.
Download
(Compatible with Flash MX 2008, Flash 8, and Flash CS3.)
Convert timeline to symbol.mxp
Or, if you’d like to replace your timeline with a graphic that plays through once (within the graphic the original layers will be retained):