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.
Read about how MSIX has improved customer deployments of Windows applications.
The MSIX Packaging Tool enables you to update existing desktop application packages to the MSIX format.
Package your desktop or UWP apps from source code
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.
Update or install any MSIX app package that is locally available or on any content distribution network.
The MSIX Labs repo provides tutorials for creating, packaging, distributing and installing MSIX packages.
MSIX for IT pros
MSIX for developers
API and schema reference