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UWP app package
File type: Archive and compressed file
Files with msix extension are Windows app packages in latest Microsoft app package format.
File type category:
Archive and compressed file
Date updated: December 31, 2024
File extension msix is best know for it's use as the successor of APPX packages in Windows.
According to Microsoft, MSIX is a Windows app package format that combines the best features of MSI, .appx, App-V, and ClickOnce to provide a modern and reliable packaging experience.
It is a renamed ZIP archive that contains XML configuration files together with the app data for the installation.
This package is targeted for one architecture only, for example an x64 or x86 application package.
This file is used to manually install apps for Windows.
It is possible to repack older installation packages to this format.
Software applications that can open msix files:
Microsoft Windows
Software apps that create msix files:
Microsoft Windows
Software apps that export msix files:
Microsoft Windows