About MSIX Editor

MSIX is a Windows application package format that provides a modern packaging experience for all Windows apps. AdminStudio includes MSIX Editor, which you can use to edit MSIX packages.

MSIX Editor is a tool which enables you to perform the following tasks on the MSIX packages:

Open MSIX and Modification packages and get insights into the package.
Make your desired changes to MSIX packages.
Save the changes made on a MSIX package as a modification package.
Digitally sign MSIX and modification packages.
Trace MSIX packages to identify run time issues.
Apply Package Support Framework fixups to fix run time issues.