MSIX documentation

MSIX is a packaging format built to be safe, secure and reliable, based on a combination of .msi, .appx, App-V and ClickOnce installation technologies.


Visit the MSIX Tech Community page for discussions and latest information.

Package existing Windows apps

MSIX Packaging Tool enables you to update existing Win32 application packages to the MSIX format. Learn more

Use MSIX anywhere

The MSIX SDK enables developers on various platforms to pack and unpack packages for distribution from either the Microsoft Store, or their own content distribution networks. Learn more

Install MSIX app packages

App Installer allows for installation and updates of any MSIX app package that is locally available or on any content distribution network. Learn more

Package support framework

PSF enables your app to bypass a select number of modern runtime environment limitations, ensuring that your existing solution runs as expected without modifying source code. Learn more

IT Pro


Conference talks by MSIX team

MSIX inside and out (Sept 2018)

MSIX is the future of app installation and a significant step forward in enabling enterprises to modernize their app deployment processes and stay current with Windows, Office and third-party apps.

MSIX – Accelerating Windows 10 and app deployment (Sept 2018)

MSIX provides lots of benefits across the app lifecycle management. Learn how to take advantage of MSIX in your enterprise and the benefits to developers, IT Pros and end users.

Updating your existing Configuration Manager apps to MSIX (Sept 2018)

MSIX simplifies and modernizes app deployment. It brings a faster, more reliable, and rot-free deployment for your enterprise. Learn the ins and outs of updating your existing System Center Configuration Manager apps to MSIX along with how it will integrate with Configuration Manager.