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dotnet-msix

Automate MSIX package creation, signing, and distribution for .NET desktop apps.

1|Updated Feb 22, 2026
Search Tags:#packaging#dotnet#distribution#code signing#msix#desktop application#app installer
One-click install
npx skills add https://github.com/rudironsoni/dotnet-agent-harness --skill dotnet-msix-rudironsoni
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: dotnet-msix
Source: https://github.com/rudironsoni/dotnet-agent-harness/tree/main/.rulesync/skills/dotnet-msix
Command: npx skills add https://github.com/rudironsoni/dotnet-agent-harness --skill dotnet-msix-rudironsoni

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes scripts (resource) and references (resource) components.

What problem does it solve?

This Skill streamlines the process of packaging .NET desktop applications into the MSIX format, enabling easier distribution, installation, and updates for your applications.

Core Features & Use Cases

  • MSIX Creation: Generate MSIX packages directly from .csproj or via Windows Application Packaging (WAP) projects.
  • Signing & Distribution: Handle certificate signing (self-signed, CA, Store) and prepare packages for various distribution channels like the Microsoft Store or App Installer sideloading.
  • Auto-Update: Configure automatic update mechanisms for your distributed applications.
  • Use Case: You have a WinUI 3 application and need to package it for distribution to enterprise users. This Skill guides you through creating the MSIX, signing it with a trusted certificate, and setting up an App Installer for easy sideloading and updates.

Quick Start

Use the dotnet-msix skill to create an MSIX package from your application's csproj file.

Frequently Asked Questions about dotnet-msix

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I package a .NET desktop application as MSIX from a csproj file?▼

To package a .NET desktop application as MSIX, you can generate the package directly from your `.csproj` file or via a Windows Application Packaging (WAP) project. This process automates the creation of the MSIX installer for distribution.

What code signing certificates can I use for signing an MSIX package?▼

You can sign an MSIX package using self-signed certificates, Certificate Authority (CA) certificates, or Microsoft Store certificates. Selecting the appropriate certificate ensures your desktop application is trusted for enterprise deployment or Store distribution.

Can I configure automatic updates for a sideloaded MSIX application?▼

Yes, you can configure automatic update mechanisms for distributed MSIX applications. By setting up an App Installer file for sideloading, your desktop application can automatically check for and install updates.

What is the best way to distribute MSIX packages to enterprise users?▼

The best way to distribute MSIX packages to enterprise users is by configuring an App Installer for sideloading. This allows you to sign the package with a trusted CA certificate and set up automatic updates for easy deployment.

Does MSIX packaging support multi-architecture bundles for WinUI 3 apps?▼

Yes, MSIX packaging supports multi-architecture targets through MSIX bundle generation. This allows you to package your WinUI 3 application for different system architectures within a single installer for broader compatibility.

When do I need to use a Windows Application Packaging project instead of a csproj?▼

You need a Windows Application Packaging (WAP) project when your .NET desktop application requires advanced MSIX configuration that cannot be handled directly by the `.csproj`. Both methods generate MSIX packages, but WAP offers deeper packaging control.

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