Learn how to develop custom solutions that access and interact with Office 365 data from your own apps on practically any mobile, web, or desktop platform. Paolo Pialorsi offers practical, code-rich coverage of every key aspect of Office 365 development, walking you through building a complete start-to-finish solution. You’ll learn how to use the new Microsoft Graph API to integrate users’ mail, calendars, contacts, groups, files, folders, and more. Leveraging Microsoft APIs at the REST level, you’ll discover how to create Office 365 solutions for Windows