After a relatively short beta, Microsoft today announced that the Excel API -- a way for developers to programmatically use Excel for Office 365 for doing calculations, building dashboards and ...

The new Excel API allows developers to load, create, edit, and save Excel sheets, and the Excel Web Editor integrates into existing HTML and JavaScript applications.

Excel apps are everywhere. Thanks to Microsoft Graph, we can build them into our web and mobile applications.

The Excel Services REST and SOAP APIs introduced in SharePoint 2010 are SharePoint only, but with the Excel Services JavaScript API you can work with embedded workbooks on a host web page — from ...

Microsoft is opening up Excel to developers with a new JavaScript API. It will let developers use custom data types like images, cards, and arrays.