XAML file is s Extensible Application Markup Language file, an XML-based declarative language that is used in the Windows Presentation Foundation (WPF) and Silverlight to define the user interface and animations.

Common .xaml file type descriptions:

Windows Markup File
Windows-Markupdatei
Файл разметки Windows
Fichier de balisage Windows
File di markup Windows

Applications, associated with .xaml files

	Windows Presentation Foundation Host by Microsoft Corporation
	Notepad by Microsoft Corporation Notepad is a simple text editor for Microsoft Windows. It has been included in all versions of Microsoft Windows.
	WinFX Runtime Components by Microsoft Corporation
	Internet Explorer by Microsoft Corporation Internet Explorer is a browser produced by the Microsoft Corporation and supplied together with the Windows operating system.
	Kaxaml

.xadd

.xamlx