Data storage and access is nearly an eternal topic in all kinds of applications. In Windows Phone 7, data manipulation still plays a fundamental and important role. Regrettably, in the current Windows Phone 7 Series there is no local database API that can be used. Windows Phone 7, though, does support access to data in several ways: XML, Isolated Storage, and Cloud Storage. In this article I will introduce to you how to handle XML data in Windows Phone 7 for Silverlight applications. In detail, we'll explore three cases: how to load and render a local resource-formed XML file; how to abstract components hidden inside an XAML (XML form in essence) file, and how to obtain remote XML data via a simple RSS reader sample.