What's new in Excel development
Get OneDrive data using Microsoft Graph and msal.js in an Office Add-in
Techniques to access data from an Office Add-in when offline
Create an Excel add-in that displays hello world
Create and explore data types in Excel
Extend Excel functionality with Office Add-ins
With the Office Add-ins platform, you can extend Excel's functionality through a web app that runs within the Excel client on multiple platforms such as Windows, Online, Mac OS, iPad. This technology is enabled using the JavaScript API for Office known as Office.js. To learn more about creating an Excel add-in with Office.js, see Excel add-ins documentation.
For information about COM-based add-ins, see the Office client development documentation.
Access Excel data with Microsoft Graph
With Microsoft Graph, you can read and modify Excel workbooks that are stored in OneDrive, SharePoint, or other supported storage platforms. By issuing REST API requests to Microsoft Graph, your web or mobile application can access Excel objects. To learn more, see Working with Excel in Microsoft Graph.
