The file types .Appx, .AppxBundle, and .Msixbundle are app installer or setup packages. On a default Windows 10 or 11 installation, you can double-click these file types to run them. But, if the App Installer (a.k.a, “Desktop Installer”) Store app is removed from the system, the .Appx, .AppxBundle, and .Msixbundle files don’t run when double-clicked.
You may see the following (“How do you want to open this file?” dialog, a.k.a. “Open With” dialog) dialog when double-clicking the said file types:
Having said that, these installer files may appear with a generic icon without a file association.
Let’s see how to make the Appx installer files work when you double-click them.
Resolution
Microsoft App Installer for Windows 10/11 makes installing apps easy: Just double-click the app package, and you won’t have to run PowerShell to install apps. App Installer presents the package information, such as app name, publisher, version, display logo, and the capabilities requested by the app. Get right into the app, no hassles–and if the installation doesn’t work, the error messages were designed to help you fix the problem.
Installer the Microsoft App Installer app using one of the two methods below.
Method 1: Install “App Installer” from Microsoft Store
(This method installs the App Installer package for the current user only.)
Download the “App Installer” offline installation package (.msixbundle) from https://aka.ms/getwinget
(or)
Launch Microsoft Store, search for an app named “App Installer”, and install it. Alternatively, here’s the Store app link for App Installer:
https://apps.microsoft.com/store/detail/app-installer/9NBLGGH4NNS1
Visit the above link and click “Get in Store app” to download the app using Microsoft Store.
After installing the App Installer Store app, double-click an Appx, Appxbundle, or Msixbundle file. You should see the installer dialog as below:
If the current version or a more recent version of the app already exists on the device, the installer will inform you. You’ll be allowed to proceed with the installation or launch the already installed version.
Note: If Microsoft Store itself is completely missing from your computer, you can get it back by downloading the Appx Package and installing it. For full instructions, see the article Reinstall Microsoft Store in Windows 11/10 after uninstalling it with PowerShell.
Method 2: Install “App Installer” for all users Using PowerShell
You can user PowerShell to download the Desktop App Installer package and install it for all user accounts on the computer. To do so, run these commands from PowerShell (admin).
md C:\Apps Invoke-webrequest https://github.com/microsoft/winget-cli/releases/latest/download/Microsoft.DesktopAppInstaller_8wekyb3d8bbwe.msixbundle -OutFile C:\Apps\DesktopAppInstaller.msixbundle Add-ProvisionedAppPackage -online -PackagePath "C:\Apps\DesktopAppInstaller.msixbundle" -skiplicense
The above commands download the Desktop App Installer package and installs/provisions it for all user accounts on the computer. Also, when a new user logs in for the first time, the App Installer package gets installed automatically.
Note: The “Add-AppxPackage” cmdlet can also be used to install the app. But it installs for the current user account only.
That’s it. From now on, any .appx, .appxpackage, or .msixbundle files can be installed interactively by double-clicking on them.
Microsoft.DesktopAppInstaller
when you run the Get-AppxPackage cmdlet in PowerShell. Here’s a sample outputPS C:\Users\Ramesh> get-appxpackage *installer*
Name : Microsoft.DesktopAppInstaller Publisher : CN=Microsoft Corporation, O=Microsoft Corporation, L=Redmond, S=Washington, C=US Architecture : X64 ResourceId : Version : 1.18.2091.0 PackageFullName : Microsoft.DesktopAppInstaller_1.18.2091.0_x64__8wekyb3d8bbwe InstallLocation : C:\Program Files\WindowsApps\Microsoft.DesktopAppInstaller_1.18.2091.0_x64__8wekyb3d8bbwe IsFramework : False PackageFamilyName : Microsoft.DesktopAppInstaller_8wekyb3d8bbwe PublisherId : 8wekyb3d8bbwe IsResourcePackage : False IsBundle : False IsDevelopmentMode : False NonRemovable : False Dependencies : {Microsoft.UI.Xaml.2.7_7.2208.15002.0_x64__8wekyb3d8bbwe, Microsoft.VCLibs.140.00.UWPDesktop_14.0.30704.0_x64__8wekyb3d8bbwe, Microsoft.DesktopAppInstaller_1.18.2091.0_neutral_split.language-ta_8wekyb3d8bbwe, Microsoft.DesktopAppInstaller_1.18.2091.0_neutral_split.scale-100_8wekyb3d8bbwe} IsPartiallyStaged : False SignatureKind : Store Status : Ok
Workaround: Install Appx/AppxPackage/Msixbundle Packages Using PowerShell
If the “App Installer” Store app can’t be installed for some reason, you can install the .appx, .appxbundle, and .msixbundle files using PowerShell.
From and PowerShell admin window, use the following syntax:
Add-AppxPackage -Path "X:\Path\to\File.Appx"
Example
Add-AppxPackage -Path "D:\Appx\Microsoft.VCLibs.140.00_14.0.30704.0_x86__8wekyb3d8bbwe.Appx"
However, make sure that you install the dependency packages first, and then followed by the main package. For instance, the Store app depends upon the following components:
- Microsoft.NET.Native.Framework
- Microsoft.NET.Native.Runtime
- Microsoft.UI.Xaml
- Microsoft.VCLibs
In that case, you must install the Appx package for the above items before installing the Store app. To know the dependencies of an app, from another computer (where the app is installed), run the Get-AppxPackage command.
Example
PS C:\Users\Ramesh> get-appxpackage *installer* | select Name, Dependencies | fl Name : Microsoft.DesktopAppInstaller Dependencies : {Microsoft.UI.Xaml.2.7_7.2208.15002.0_x64__8wekyb3d8bbwe, Microsoft.VCLibs.140.00.UWPDesktop_14.0.30704.0_x64__8wekyb3d8bbwe, Microsoft.DesktopAppInstaller_1.18.2091.0_neutral_split.language-ta_8wekyb3d8bbwe, Microsoft.DesktopAppInstaller_1.18.2091.0_neutral_split.scale-100_8wekyb3d8bbwe}
That’s it! Install each Appx/AppxPackage/Msixbundle using the same fashion. The instructions apply to Windows 10 and Windows 11.
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Links to Microsoft store files did not work. Only results in Splash page for Microsoft Store Install with no joy on reinstalling just Open.