.APPX File Extension

File Type:
Windows 8 App Package

Having trouble opening .appx extension? Don't panic! This page explains what appx files are as well as suggests programs you may use to open appx files. You can download these programs through this page.

What is an APPX file?

Appx file extension has Windows 8 App Package file type, developed by Microsoft, which is associated with the "developer files" category.

App package allows users to pack and submit Windows 8 applications for sale on the Windows Store. APPX files are easy to package through Visual Studio 2012 that supports developing apps. APPX files may also come inside .APPXUPLOAD files. The latter stores extra information allowing the debugging data to be provided to the developer in case of an application crash.

To learn how you can open the given file, read the information below.

appx file icon
File Type:
Windows 8 App Package
Developer Files

How to open APPX file?

Double click the appx file to open it. The file will open automatically if file associations have been correctly installed and there is a proper program on your computer; if not, file associations may be corrupted and your OS either cannot find the proper program, or you might not have one for opening the file. First, we recommend downloading our utility to fix file association errors; then, you can download any program for opening the .appx extension from the ones suggested below. If you are certain there is nothing wrong with the file associations, you may proceed to method 2 right away; besides, if you can't make up your mind when choosing the right program, use Universal File Viewer from the last method.

Method 1: Fix file association errors

Follow these steps in order to automatically fix the appx extension associations' problem in no time:

  • Step 1: Click on "Download Solution" to download automatic tool provided by WikiExt.
  • Step 2: Click "Start Scan" to identify all potential issues.
  • Step 3: Review scan results and click "Fix Items".

File Size: 3.04 MB, Download time: < 1 min. on DSL/ADSL/Cable

This Tool is Compatible With: Windows XP, Vista, 7, 8/8.1, 10

Method 2: Download the appropriate software

The given list provides programs which may be used for opening or converting the appx file. Choose the proper program for your OS, and click it to start the download or proceed to the developer's website.

Programs that open APPX files

Method 3: Use universal file viewer

In addition to the list of programs above, we recommend using Universal File Viewer. This tool can open over 250 file extensions and, most likely, it will be able to open the appx file as well. Download Universal File Viewer for your OS.

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