This document contains slides from a presentation about Office365 development using TypeScript. The presentation discusses authentication with Azure AD, the authorization code grant flow, and advantages of using TypeScript for enterprise JavaScript applications. It promotes a library for Angular 2 authentication with Azure AD and demonstrates an Electron desktop app that uses TypeScript, Angular 2 and the Office 365 APIs. The presentation aims to provide perspective on Office 365 development and a hands-on demo of capabilities with TypeScript.