Swf File Extension
Swf (Small Web Format)is a file extension of Shockwave Flash file format. It can be opened by internet browsers.
Swf is file of Adobe Flash internet add-on. You can double click and pick the internet explorer to open swf without internet connection. If your internet browser is not updated you need to check adobe.com and update it from the site. Besides, you can open this file format with K-lite codec package on Media Player.
If you need to convert SWF files to FLA`s type and change the contains, you can download Sothink SWF Decompiler software.
What needed to Open Swf file extensions.
K-lite, flash player
Links about Swf file extension