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*Details: File format summary



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Name Macromedia Flash
Version 3
Other names SWF (3)
Identifiers MIME:  application/x-shockwave-flash
PUID:  fmt/106
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  
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
Last updated 14 Sep 2018
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