ASF

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File Format
Name ASF
Ontology
Extension(s) .asf
MIME Type(s) video/x-ms-asf, application/vnd.ms-asf
LoCFDD fdd000067
PRONOM fmt/131

ASF (Advanced Systems Format, or Advanced Streaming Format) is a multimedia container format associated with Microsoft. It is the container format usually used by WMA and WMV files.

Contents

Identification

ASF files begin with bytes 30 26 b2 75 8e 66 cf 11 a6 d9 00 aa 00 62 ce 6c.

This represents the GUID 75B22630-668E-11CF-A6D9-00AA0062CE6C, named "ASF_Header_Object".

Specifications

Software

Sample files

Links

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