What is .baml file?

What is .baml file and what's the use of this file? Who creates this file?

How do I view a .baml file?

You'll have to install the add-in (View | Add-Ins | Add). Once installed, you just open the executable that contains the BAML, stored as a resource. Then open the BAML Viewer from the Tools menu. The BAML Viewer window will open and you can then navigate to the .

What is XAML?

Extensible Application Markup Language (XAML) is a declarative language that's based on XML. XAML is used extensively in the following types of applications to build user interfaces: Windows Presentation Foundation (WPF) apps. Universal Windows Platform (UWP) apps.

A compiled XAML file.

Wikipedia says:

A XAML file can be compiled into a .baml (Binary XAML) file, which may be inserted as a resource into a .NET Framework assembly. At run-time, the framework engine extracts the .baml file from assembly resources, parses it, and creates a corresponding WPF visual tree or workflow.