Here’s a deep, technical dive into — its purpose, structure, creation, deployment, and relationship to the broader MSIX ecosystem. 1. What is an MSIXBUNDLE? An MSIXBUNDLE is a container format that groups multiple MSIX packages into a single file for distribution. It is the modern equivalent of APPXBUNDLE (for UWP) but extended to support all Windows app types (Win32, WPF, Windows Forms, UWP, Console, etc.). PowerShell also has: | Bundle Type | Extension