SWF
File format
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:max_bytes(150000):strip_icc()/swf-files-5912f3ff5f9b586470e075f4.png&imgrefurl=https://www.lifewire.com/swf-file-4138363&h=668&w=1002&tbnid=xNPbnaJsPI-ArM&q=SWF&tbnh=99&tbnw=149&usg=AI4_-kRIeVs27dp8S2DoyblIlZHNsoti7A&vet=1&docid=WBoSziK4bHUFGM&sa=X&ved=2ahUKEwjordjDqs6FAxXykokEHUXtBa0Q9QF6BAgAEAY)
SWF is a defunct Adobe Flash file format that was used for multimedia, vector graphics and ActionScript.
Originating with FutureWave Software, then transferred to Macromedia, and then coming under the control of Adobe, SWF files can contain... Wikipedia
Container for: Adobe Flash (formerly Macromedia Flash and FutureSplash), sometimes labeled Shockwave Flash Object
Developed by: FutureWave Software, later taken over by Macromedia and; Adobe Systems
Filename extension: swf
Magic number: , or