Cortana on Windows devices

Extend Cortana with your apps or websites

Integrate your apps and websites with the world's most personal and extensible digital assistant

Recognize speech or text from the Cortana canvas to activate your Windows app and initiate an action.

Respond to user context with your Windows app, Android app, or website. With the users permission, Cortana can even complete the action for them.

Download sample projects or join the dev preview to stay at the forefront of Cortana development.

Create your first Cortana Action

Start with one of our predefined Actions, or define your own.


Download our sample apps

Learn how to extend Cortana with your Windows apps, Android apps and web sites. See sample projects for both voice commands and Cortana Actions on GitHub.

Watch Sessions from //build

Learn more about voice commands and Cortana Actions by watching //build session videos on Channel 9.

How is the Cortana Dev Center different from the Cortana Intelligence Suite?

The Cortana Intelligence Suite is a fully managed big data and advanced analytics suite that enables you to transform your data into intelligent action.

Learn more about the Cortana Intelligence Suite

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