Office Developer Tools for Visual Studio 2013 Office 365 Developer Subscription now includes identity updates
New Azure-based extensibility for Share. Point, One. Drive for Business, and Outlook Web App Preview any file in the browser Customize file icons Create rich view/edit experiences
Simple JSON object declares one or more file handler extensions The file extension whose behavior is being customized One file handler extension External resources called when the app is activated
File Handler Activation Parameter Description File. Get URL to call to get the file opened/previewed File. Put URL that persists file back to its original location Client Office client file is previewed/opened from Viewport. Width of the client preview iframe Viewport. Height of the clientpreview iframe Culture. Name Culture name of the tenant Tenant URL of the tenant used for AAD authentication process
MSDN: Integrate Office 365 APIs into. NET Visual Studio projects Office 365 APIs: Getting Started with Building Web Applications Welcome to the New World of Office Development! MSDN: Overview of File Handler Addins
MSDN: Integrate Office 365 APIs into. NET Visual Studio projects Office 365 APIs: Getting Started with Building Web Applications Talk: Tech. Ed Europe 2014