If you want to adjust or edit the MIME types that are set up on the server, you can do this by editing your web.config file, or by connecting with IIS Manager and via the appropriate one in the web.config file.
In the web.config file the mimeMap element is used: http://www.iis.net/ConfigReference/system.webServer/staticContent/mimeMap
Article from the support category: ASP & ASP.NET
