Office 365 Connectors are extensions for the Office 365 Groups, that allow to leverage webhooks to send notifications, represented as conversation cards, to target Groups. Out of the box, there are more than 50 connectors for the most commonly used cloud services like Twitter, Trello, Asana, Zendesk, etc. However, the Office 365 Connectors provide an open development model that you can use to create custom connectors and to send your own conversation cards. In this session you will learn about the architecture of Office 365 Connectors in general, and you will learn how to build custom connectors. Moreover, you will understand how to register in your tenant or even how to publish on the Office Store your custom connectors.