اضافه کردن فرمت به iis

[persian.developer]

Start => Administrative Tools => Internet Information Services (IIS) Manager
    Internet Information Services => Computer Name (Local Computer) => Web Sites => Default Web Site => Right Click => Properties => HTTP Headers => MIME Types => New
    Extension = .ogg
    MIME type = application/ogg
    Click Ok

    Start => Run => cmd
    Type iisreset => enter