Files with appx extension are application installation packages for latest Windows 8 and Windows Phone 8 operating system. Used to install new software.

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Software that works with appx file extension

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APPX file extension - Microsoft AppX application package file

What is appx file? How to open appx files?

File type specification:

Program executable file type icon Program executable file type

The appx file extension is associated with the new AppX application distribution file format introduced in Microsoft Windows 8 and Windows Phone 8.1 operating systems. The APPX file extension represents AppX application package.

The AppX distribution format is similar to Windows Phone 7 application distribution format, but not compatible with it. The APPX file format us used to easier distribution of applications between a variety of devices, including traditional PCs, tablets, and phones.

Windows Phone 8.1 operating system is can also use XAP format for its applications.

The *.xap, or *.appx files can be simply installed to phone via Market app. Copy *.xap file to SD card (Windows Phone 8 and higher) open Market and use SD card option.

The default software associated to appx file type:

Microsoft Windows 8 icon

Microsoft Corporation logo Microsoft Windows 8  Microsoft Windows software

Company or developer:
  Microsoft Corporation

Microsoft Windows 8 is the first member of the Windows operating systems designed with touchscreens in mind. Windows 8 features a brand new GUI called Metro. The system also now supports ARM platform. It is used on PC, mobiles and tablets. Newer version with many improvements and updates is Microsoft Windows 8.1

Microsoft Visual Studio icon

Microsoft Corporation logo Microsoft Visual Studio  Microsoft Windows software

Company or developer:
  Microsoft Corporation

Microsoft Visual Studio is an integrated development environment (IDE) used to create applications for Microsoft Windows, Windows Mobile, .NET Framework, Silverlight as well as dynamic websites and web applications.

Microsoft Windows Phone 8 icon

Microsoft Corporation logo Microsoft Windows Phone 8  Windows Phone / Windows 10 Mobile software

Company or developer:
  Microsoft Corporation

Microsoft Windows Phone 8 is a second generation of mobile operating system and successor of Windows Phone 7 based on Windows NT kernel. Windows Phone offers a new user interface with its design language, Metro, integrates the operating system with third party and other Microsoft services, and sets minimum requirements to the hardware on which it can run.

Help how to open APPX files:

Use Windows 8, or Windows Phone 8 to open Microsoft AppX application package files.

How to convert file with extension APPX:

Currently there is no specific information available, about how to convert this file extension.

Find conversions from appx file:

appx to apk

appx to xap

Find converter to appx file type:

apk to appx

xap to appx

List of software applications associated to the .appx file extension

Recommended software programs are sorted by OS platform (Windows, Mac OS X etc.) and possible program actions
that can be done with the file
: like open appx file, edit appx file, convert appx file, view appx file, play appx file etc. (if exist software for corresponding action in's database).

Click on the tab below to simply browse between the application actions, to quickly get a list of recommended software, which is able to perform the specified software action, such as opening, editing or converting of the appx files.

  • Open appx file
  • Save appx file
  • Edit appx file
  • Create appx file
  • Extract appx file

Software that open appx file - Microsoft AppX application package file

Click on the link to get more information about listed programs for open appx file action.

Microsoft Windows:

Main software associated with appx file by default:
Microsoft Windows 8 small icon Microsoft Windows 8
Microsoft Visual Studio small icon Microsoft Visual Studio
Other suggested software:
App packager

Windows Phone / Windows 10 Mobile:

Previous file extension
APPREF-MS file extension > Program executable file types

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file extension AXF


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