Let's begin with a brief introduction to the key concepts that are fundamental to using the APIs, such as RequestContext, JavaScript proxy objects, sync(), Excel.run(), and load(). The example code at ...

Learn how to build the simplest Office Add-in with only a manifest, HTML web page, and a logo. This sample will help you understand the fundamental parts of an Office Add-in. Display hello world in ...

To add an add-in to Excel, open Excel, click on the File tab, and select Get Add-ins category. Select the desired add-in from the Add-Ins available and click Add . The add-in will be installed.

Excel developers will be able to create their own add-ins or update existing ones to use the JavaScript API. Bloomberg is using Microsoft’s new JavaScript API in Excel. Image: Microsoft ...

Retrieving up to date stock market prices for Excel is a snap with the free Stock Connector add-in. Here's a walkthrough of how you get it and how it works.

Right now, JavaScript in Excel custom functions is only supported in the Developer Preview edition to Office 365 subscribers enrolled in the Office Insiders program. But it seems inevitable that in ...