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APPX XAP
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Convert APPX to XAP

Can you convert APPX to XAP?
Verified by Adam B.· reviewed by FE Editorial ·updated Jul 14, 2026
QUICK ANSWER
Is it possible to convert APPX to XAP?
No - not a direct conversion.

Windows Phone reached end of life in 2017 and XAP packages have no viable target hardware or OS today. No converter exists, and converting to XAP would serve no practical purpose.

No direct path
Also to XAP: MSI

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Tested on macOS, Windows & Linux
Last verified Oct 2026

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Why convert APPX to XAP?

.xap files contained Silverlight-based apps for Windows Phone 7 and 8; .appx packages target Windows 10/11 desktop and UWP. The two formats target entirely different and incompatible runtimes, and Windows Phone no longer exists as a platform to run XAP files.

About these formats

.APPX Microsoft Windows App Package (AppX)

An APPX file is a Windows app installation package introduced with Windows 8. On Windows 10/11, double-click it and the built-in App Installer handles it, or run Add-AppxPackage -Path…

Open .APPX details →
.XAP Silverlight / Windows Phone Application Package

A XAP file (pronounced "zap") is an old Microsoft application package for Silverlight web apps or Windows Phone 7/8 apps. You cannot run it today - Silverlight reached end of support on…

Open .XAP details →

Quality & what to watch

  • XAP reached end of life with Windows Phone 8.x in 2017 and has no supported runtime on any current Microsoft platform.
  • An .appx is a ZIP archive internally; rename it to .zip or open it with 7-Zip to read AppxManifest.xml and extract assets without installing.
  • The modern successor to APPX is MSIX, which shares the same container structure and is the current standard for Windows app packaging.

Frequently asked questions

Why does this conversion appear in format databases?
Old file-extension directories listed APPX-to-XAP because both were Windows app package formats, but the pairing was never verified - the conversion was never possible.
Is XAP still used anywhere today?
No - Windows Phone 7 and 8 reached end of life in 2017, and XAP files have no supported runtime on any current Microsoft platform.
How do I install an APPX on Windows 10/11?
Double-click the .appx to use the built-in App Installer, or run Add-AppxPackage -Path app.appx in PowerShell; the package must be digitally signed.