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.

Top tasks

Learn about customer journeys with MSIX

Read about how MSIX has improved customer deployments of Windows applications.

Create MSIX packages from existing installers

The MSIX Packaging Tool enables you to update existing desktop application packages to the MSIX format.

Create MSIX packages from source code

Package your desktop or UWP apps from source code

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.

Install MSIX packages with App Installer

Update or install any MSIX app package that is locally available or on any content distribution network.

Learn about MSIX from hands-on-labs

The MSIX Labs repo provides tutorials for creating, packaging, distributing and installing MSIX packages.

MSIX for IT pros

MSIX for developers