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. [Download_page]
Version 3.3 of TMEditX is now released. It rolls up a number of new features, improvements, and bug-fixes for the end of the spring season. The tool consists of …
The Package Support Framework (PSF) was originally an open-source project to help Win32/DotNet applications run when inside an MSIX Container. TMurgent has taken up the support for the PSF in our own fork 
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: 
PsfTooling is the free tool to work in conjunction with the Microsoft MSIX Packaging Tool.