Setting Default Programs, File Type Associations, and AutoPlay Options

Most of the programs you use in Windows are associated with particular file types and protocols. These associations are what enable you, for example, to double-click a Windows Media Audio (.wma) file in Windows Explorer and have your favorite audio program play the file; or click an internet hyperlink in a document or e-mail message and have your favorite web browser take you to the appropriate website. The Windows setup program establishes many of these associations for you when the operating system is installed. The setup programs for various applications also create associations with the file types those programs can use. (Sometimes such programs, when installed, change ...

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