In those cases, the file associations will be ignored. Please note that certain file associations are reserved by the operating system for built-in applications (like Internet Explorer). This will be useful in cases like opening an email attachment or opening the Windows Phone Store application.įile associations for a Windows Phone application are registered in the application manifest file. File Association BasicsĪs mentioned above, file association is typically desired when an application, which can work with a certain file type, wants to be available as one of the launchable applications. URI associations will help for that use case.

In certain cases, it may be desirable to navigate directly to a specific page inside a Windows Phone 8 application instead of the default home page. On Windows Phone 8, this enables scenarios such as prompting the user to select one of the available registered applications, which can open a file attachment of a specific type in your inbox. Windows Phone 8 allows an application to register file and URI associations, which can be used to auto-launch an application.

Mobile phones and .scr files