Details: File format summary

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Summary
Name	Macromedia Flash
Version	3
Other names	SWF (3)
Identifiers	MIME: application/x-shockwave-flash PUID: fmt/106
Family
Classification
Disclosure
Description	The Adobe Flash format, SWF, previously known as Shockwave Flash or Macromedia Shockwave Flash, and alternatively known as the Small Web Format, is a file format primarily designed for creating interactive multimedia applications. The format iterates rapidly, often in line with new releases of Adobe Flash or Adobe Air. Prior to version 6 all SWF files were uncompressed, however version 6 introduced the option of using zlib compression. Version 13 introduced the option of using LZMA compression.
Orientation	Binary
Byte order	Little-endian (Intel)
Related file formats	Has priority over MPEG 1/2 Audio Layer 3 Is previous version of Macromedia Flash (4) Is subsequent version of Macromedia Flash (2)
Technical Environment
Released
Supported until
Format Risk
Developed by	Macromedia, Inc.
Supported by	Adobe Systems Incorporated
Source	Digital Preservation Department / The National Archives
Source date	11 Mar 2005
Source description	http://wwwimages.adobe.com/www.adobe.com/content/dam/Adobe/en/devnet/swf/pdf/swf-file-format-spec.pdf http://www.adobe.com/devnet/articles/flashplayer-air-feature-list.html
Last updated	14 Sep 2018
Note