MSIX validation, testing and troubleshooting

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This section provides information on validating, testing, and troubleshooting MSIX packages.

Article Description
Troubleshooting packaging, deployment, and query of Windows apps Use these suggestions to troubleshoot problems you experience when packaging, deploying, or querying a Windows app package (.msix/.appx) as a developer.
Troubleshoot runtime issues in an MSIX container Review how you can troubleshoot runtime issues occurring in a MSIX container.
MSIX support on Windows Server 2019 Details about support for MSIX on Windows Server 2019
Windows Device Portal overview The Windows Device Portal (WDP) is a web server included with Windows devices that lets you configure and manage the settings for the device over a network or USB connection (local connections are also supported on devices with a web browser).
Run, debug, and test an MSIX package Shows you how to run your packaged application and see how it looks without having to sign it, set breakpoints and step through code, test your application in a production environment, sign your application, and then install it.
Detect package identity and runtime context Detect whether your app was deployed as an MSIX package by using the Windows Package Manager API, or your own custom installer.
Registering a package layout from a network share Build your package layout to a network share and then register the layout on a remote device directly from the network.
Test your Windows app for Windows 10 in S mode Test your Windows app to ensure that it will operate correctly on devices that run Windows 10 in S mode.
Known Issues with packaged desktop apps This article contains known issues that can occur when you create an MSIX package for your desktop app.