Webopedia Staff
Last Updated May 24, 2021 7:35 am
Short for ASF Streaming Redirector file, a Windows Media container file. ASX is an XML redirector file for ASF. ASX files are metafiles, i.e., they provide information about ASF media files, including descriptions of multimedia content. When a browser links to an ASX file, the ASX file in turn links to an ASF file on a server.