.SWF File Extension Description:

The file extension SWF is a file extension that is associated with the Macromedia Flash Movie files that have the ability of playing on the website with the use of the internet browsers or can be downloaded through the email. So that an individual may be able to view the SWF files, there is the need to use either the web browser that has got the appropriate plug-in or use the Adobe Flash Player. The Adobe Flash was initially referred to as the Shockwave Flash and is now popularly known as Flash.

Learn more here: http://swf.file-extension-library.com/