ASP.NET Identity Cookies in Office 365 / Outlook Add-Ins and the SameSite security setting

The current Add-In platform for the Office family (Outlook Web, Office365 Web and Offline clients) are essentially websites loaded into an iFrame with some Office JavaScript libraries to provide interoperability to the host platform. The neat thing is this works across all client types (including iOS and Android) and uses general web technologies, e.g. React. … More ASP.NET Identity Cookies in Office 365 / Outlook Add-Ins and the SameSite security setting