This is a story about a native windows application installer that needed MSIX to help it work right. And a story about how the App-V package of that app needed MSIX to help it work right. And yes, also a story about how the MSIX package of that app works just right.
Let’s learn about the Shell extension context menu …
TMEditX is the licensed and more capable tool for fixing up MSIX packages since it doesn’t have to depend on the Microsoft MSIX Packaging Tool to create the final package.
Last fall, Microsoft updated the end-of-life statements for Microsoft App-V with a date of April 2026. You can see the current statement at this link: 
