It is the editable source file format used to construct Flash projects and stands for 'Flash Authoring.' What is FLA?įLA is a file type in Adobe Flash software that is used to create rich multimedia content such as animations, videos, games, and interactive applications. Read this article to find out more about FLA and SWF and how they are different from each other. FLA is the file type used to store the editable source file for a Flash animation project, whereas SWF is the file format used to deliver the animation's final result, which can be played in a Flash player or web browser. FLA and SWF are two file formats that are utilized by Adobe Flash software.