| File Type | Advanced Systems Format File | ||||||
| Category | Video Files | ||||||
| Description | Media container format developed by Microsoft, primarily for streaming media; specifies the structure of the audio or video stream, but not the encoding method; can be compressed using a variety of video codecs. ASF files often contain Windows Media Audio (.WMA) or Windows Media Video (.WMV) data. |
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| Program(s) that open ASF files |
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Windows
Mac OS X 
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