.XAP File Extension

File Type 1

XACT Project

Developer Microsoft
4.0  |  212 Votes
Category Developer Files
Format N/A

What is a XAP file?

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).

More Information

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.

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Programs that open or reference XAP files

Microsoft XACT
Updated July 16, 2009
File Type 2

Silverlight Application Package

Developer Microsoft
4.0  |  59 Votes
Category Executable Files
Format Zip

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.

More Information

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

Programs that open XAP files

Web browser with Microsoft Silverlight plug-in
Web browser with Microsoft Silverlight plug-in
Updated September 23, 2011

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