XAP 文件是什么

XAP is the file format used to distribute and install application software and middleware onto Microsoft's Windows Phone 7/8 operating system, and is the file format for Silverlight applications. Beginning with Windows Phone 8.1, XAP will be replaced by APPX as the file format used to install apps on the Windows Phone platform, a move which was done by Microsoft in order to unify the app development platforms for Windows Store apps and Windows Phone apps. [1]

XAP文件格式是用来分发和安装微软的 Windows Phone 7/8 的软件，XAP 也可以用来作为 Silverlight 软件打包格式

从 Windows Phone8.1 开始，XAP被APPX取代作为安装文件格式。微软这样做是为了统一 Windows Store 和 Windows Phone 的 app 部署平台

XAP files are ZIP file formatted packages. The MIME type associated with XAP files is application/x-silverlight-app.[2]
XAP 是 ZIP 格式.它的MINE type 是 application/x-silverlight-app

The .xap extension can be renamed to .zip file to view its content. This is possible because the .xap file is a zip compressed file.[3]
.xap后缀可以改成 .zip 以便访问它的内容，因为 .xap本身就是一个 zip 压缩包。wodemo.com 可以在线解压缩 xap 文件

The Windows Phone Marketplace allows users to download XAP files to an SD Card and install them manually.[4]
Windows Phone Marketplace 运行用户下载 XAP 文件到 SD Card 然后手动安装

XAP is also the extension for XACT Audio Projects, openable with the Microsoft Cross-Platform Audio Creation Tool. Silverlight XAP Files are not openable with the Audio Creation Tool, and XACT XAP files are not archives.
XAP 也是 XACT 音频项目的后缀，可以被微软跨平台的 Audio Creation Tool 打开。Silverlight XAP 文件不能被 Audio Creation Tool 打开，而 XACT XAP 文件也不是打包文件