Cassini (Visual Studio development web server) by default enables directory browsing, how can I enable directory browsing on IIS Express by default? (I don't want to have a separate configuration for each project I have?
How to enable Directory browsing by default on IIS Express
126.9k Views Asked by Ahmed Magdy AtThere are 4 best solutions below

you can use appcmd
tool
APPCMD (command) (object-type) <identifier> < /parameter1:value1 ... >*
Where is one of the commands supported by .Most objects support this basic set of commands:
LIST Display the objects on the machine. An optional can specify a unique object to list, or one or more parameters can be specified to match against object properties.
ADD Create a new object with the specified object properties to set during creation.
DELETE Delete the object specified by the .
SET Set parameters on the object specified by .
Enable directory browsing.
Go to the IIS
Express install directory.
1: Enable directory browsing at the server level
Run `appcmd set config /section:system.webServer/directoryBrowse /enabled:true`
2: Enable directory browsing at the site level
Run `appcmd set config ["SITE_NAME"] /section:system.webServer/directoryBrowse /enabled:true`
Note: Run with elevated permission
you can verify that the configuration/system.webServer/directoryBrowse@enabled attribute is set to true in the site or application configuration file.
Reference : IIS
You should be able to use AppCmd.exe to manage IIS Express. Try this:
More info on AppCmd.exe here: http://learn.iis.net/page.aspx/114/getting-started-with-appcmdexe