File Extension

ASF File Format

Microsoft Advanced Streaming Format

ASF file format icon

ASF is a file extension for Microsoft Advanced Streaming Format file, mainly for synchronized streaming video.  ASF is a Microsoft proprietary container file containing audio and video streams that are often in WMA, WMV but may come in any number of codecs.  ASF supports still image or text as well optional meta-data for additional information related to the ASF file.

It is an extensible file format that may be used to deliver multimedia across different protocols and is Not OS dependant

MIME type: audio/asf, application/asx, video/x-ms-asf-plugin, application/x-mplayer2, video/x-ms-asf, application/vnd.ms-asf, video/x-ms-asf-plugin, video/x-ms-wm, video/x-ms-wmx

 

Learn more about ASF files:

Search for answers to ASF-related questions at IT Knowledge Exchange.

This was last updated in July 2010
Editorial Director Margaret Rouse
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Definitions

  • streaming video

    - Streaming video is content sent in compressed form over the Internet and displayed by the viewer in real time.

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