We previewed Actionable Messages last fall for Office 365 customers who use Outlook on the web. Today, at Microsoft Build 2017, we announced that we are bringing Actionable Messages to more

In less than one week, at the Microsoft Build 2017 conference, Office will feature a wide range of breakout sessions, tech talks, and recordings about what’s new in the Office 365 platform.

Script Lab is a tool for anyone who wants to learn about writing add-ins for Excel, Word, or PowerPoint. The focus is the Office JavaScript API, which is the technology you need for building Office add-ins that run across platforms. Maybe you’re an experienced Office developer and you want to quickly prototype a feature ...

Hello, we are making a few changes to the Planner Task API on the Microsoft Graph REST API Beta endpoint.  These changes add support for recently released features (multi-assign tasks) and puts

New data type support in Access which unlocks multiple scenarios based on Access's ability to read and write data to and from external data sources that use BigInt (as PK or other), such as SQL.

Last week, the Office Extensibility team introduced a new enhancement to the add-in manifest validation experience. The Office Add-in Validator will help you pinpoint errors in your manifest without

We are excited to share that the Microsoft Office Developer Program has added NEW value, NEW training opportunities and FREE perks for developers who build solutions that extend Office and the Office

Last year, we announced the rollout of add-ins to Outlook 2016 for Mac in Office Insider. We are now making add-ins available to all Outlook 2016 for Mac customers who have Exchange 2013 Service Pack 1 or higher, or Office 365 or Outlook.com mailboxes.

On behalf of the Office developer teams, congratulations to the Visual Studio team on their launch of Visual Studio 2017 and on their 20th anniversary! In those 20 years, Visual Studio has caused big shifts in the developer world. The changes it has ushered in for Office development are no less significant. Visual Studio a...

We’re very excited to announce the release of the Visio JavaScript APIs. You can use the Visio JavaScript APIs to extend Visio Online and build rich mashup scenarios. These APIs are now