.XAP File Extension

There are 2 file types use the .XAP file extension:

  1. XACT Project
  2. Silverlight Application Package

1. XACT Project

XACT Project

Project created with the Microsoft Cross-Platform Audio Creation Tool (XACT); saved in a text format and contains the intermediate form of the information produced by XACT; includes complete descriptions of wave banks (.XWB files), sound banks (.XSB files), and global settings (.XGS files).

XAP files can be opened and viewed in a text editor, but they should not be edited manually. Instead, project files should only be modified with XACT.

Software's name License Platforms
Microsoft XACT Microsoft XACT Windows

Updated: January 4, 2010

2. Silverlight Application Package

Silverlight Application Package

An XAP file is an application package originally created for Microsoft Silverlight (a web browser plug-in enabling rich media content) but now also used for Windows Phone 7 mobile applications. It includes a .XAML file named AppManifest.xaml and may include .DLL files referenced by the software. XAP files are stored in .ZIP format.

XAP files were commonly used for distributing Windows Phone 7 applications.

Updated: April 20, 2011

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