File Extension Library

.APPX File Extension

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

What are .APPX files and how to open them?

Can't open .APPX file? Are you wondering what it contains? On our site we will explain to you what this file is, what it is used for and what software opens the .APPX file.

What is a .APPX file extension?

.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 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.)