Running the Windows App Certification Kit

To improve the chances of your extension getting published to the Microsoft Store, you'll need to install and run the Windows App Certification Kit. This runs a series of tests on your extension package to ensure that it's ready for the Microsoft Store.


Submitting a Microsoft Edge extension to the Microsoft Store is currently a restricted capability. Once you've created, packaged and tested your extension, please submit a request on our extension submission form.

Before learning about how to use the kit, make sure you meet the following prerequisites:

If you meet the prerequisites, see the Windows App Certification Kit documentation for info on how to use the Windows App Certification Kit either interactively or with the command line to test your extension.