MSIX documentation

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.

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Use MSIX on any platform

The MSIX SDK provides all of the APIs needed to verify, validate, and unpack an MSIX package on any platform, including non-Windows 10 platforms.

MSIX for IT pros

MSIX for developers