Run Msixbundle [upd] Jun 2026

: This is a modern Windows application package format. It is designed to provide a more efficient and secure way of packaging, distributing, and installing applications on Windows. MSIX packages are easier to manage and offer better integration with Windows features like the Start menu, taskbar, and notifications.

Right-click the button and select Terminal (Admin) or Windows PowerShell (Admin) .

Go to (Windows 11) or Update & Security > For developers (Windows 10). Toggle Developer Mode to On . 2. Missing Dependencies run msixbundle

Once finished, you can launch the app directly from the installer or the . Method 2: Using PowerShell (For Advanced Users)

Jordan installed ‘App Installer’ from the Store (30 seconds). Double-clicked CompanyCalc.msixbundle . A proper installer window opened. Clicked ‘Install’. The calculator appeared in the Start menu within 10 seconds. : This is a modern Windows application package format

If Windows doesn't recognize the file format at all, your App Installer is likely outdated. Open the . Search for App Installer . Click Update or Get .

To run an msixbundle, don’t ‘open’ it – install it. And if Windows asks ‘how to open’, get the free App Installer first. Right-click the button and select Terminal (Admin) or

Jordan’s new laptop arrived with Windows 11, but the company’s custom calculator app (required for billing fractions of design hours) was missing. IT had sent a file: CompanyCalc.msixbundle .