Run Msixbundle -
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.
To run an msixbundle, don’t ‘open’ it – install it. And if Windows asks ‘how to open’, get the free App Installer first. run msixbundle
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 . Jordan installed ‘App Installer’ from the Store (30