File Extension Library

.APPX File Extension

  • Developer by: Microsoft
  • Category: Developer Files
  • Format: Binary

What is an .APPX file?

.APPX file extension is created by Microsoft. .APPX has been classified as Developer Files. The format of .APPX file is Binary.

.APPX is Windows 8 App Package

App package format introduced with Windows 8; used by developers when packaging and submitting Windows 8 apps (formerly referred to as Metro Style apps) for sale on the Windows Store.

APPX files can be packaged with Visual Studio 2012, which provides support for developing Windows 8 apps. Use the Create App Packages wizard by choosing Project → Store → Create App Packages in Visual Studio or Store → Create App Packages in Visual Studio Express.

APPX files can be included within .APPXUPLOAD files. Both file types can be used as a submission format to the Windows Store, but APPXUPLOAD files contain additional information that allows debugging information to be sent back to the developer for app crashes.

NOTE: APPX files have a 2GB maximum file size.

List of all softwares that can open the Windows 8 App Package
Microsoft Visual Studio 2017

How to Open .APPX file on different platforms

Open .APPX File on Windows

  • Right-click a .APPX
  • Left-click "Open With" > "Choose another app"
  • Select the program that opens .APPX file and Select check box "Always use this app to open .APPX files" Press "Ok"

Open .APPX File on Mac

  • Right-click (or Ctrl + Left-click) the .APPX file
  • Click "Open With" > "Other.."
  • Then choose another program from the app list and press "Open"
  • Select check box "Turn on" for "Always open in app"

Open .APPX File on Linux

Right click on the .APPX file, choose "Open with" and select a program from the list above

Open .APPX File on iPhone

Select a file. If you don't see an application to open the .APPX file, tap "Share" and choose the right app.
Method 2
Save the file. Then open the app «Files». Touch and hold the file, then release your finger. You will see a black menu bar. After that tap "Share" and select an application.

Open .APPX File on Android

Tap the Settings icon on an Android smartphone, then select «Applications». Click the Settings icon in the upper right corner of the screen, to change the default apps.
If you want to open, edit, save or even convert .APPX files on Android, then your best bet is to download one of the dedicated apps available on Google Play.

How to fix problems with .APPX files

  1. You need to update the application that you normally use to open .APPX files. Only the latest version of the software supports the current .APPX file format
  2. You need to check the .APPX file for viruses. To do this, you need to scan it with a popular antivirus (Norton, Nod32, Kaspersky, Dr.Web, etc.)