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. Universal, iOS, or Android devices and target nearly any other modern platform. Top Microsoft developer Paolo Pialorsi shows you how to Understand the Office 365 ecosystem from functional and developer perspectives Set up your Office 365 development environment Develop Office 365 applications, Office Add-ins, and SharePoint Add-ins Invoke Microsoft Graph API endpoints from any platform via bare HTTP requests Authenticate users against online tenants with Microsoft Azure Active Directory Use Mail services to manage Microsoft Exchange Online mailboxes Browse, create, update, and manage Office 365 Groups Use File services to consume and manage files on Microsoft OneDrive for Business Make the most of the Microsoft Graph SDK for .NET Manage common tasks via the SharePoint REST API Create and publish Office 365 applications and add-ins