Nominate your favorite Microsoft 365 app. If there’s an application that changes how you work or makes you more productive, nominate that solution for the 2019 Microsoft app awards. Nominations close Aug 9.

We're excited to announce two new solutions for Office Add-ins Patterns and Practices! Learn about batching custom function calls and how to save and share state in custom functions. This blog links to the complete code samples and docs for both solutions.

We are excited to kick off our 3rd annual developer bootcamp, and even more excited this year it will be Global Microsoft 365 Developer Bootcamp. Events will be held from October 1 - Decemer 15 worldwide.

Beginning with Office 365 version 16.0.11629 and the first 2019 Windows 10 update, Office Add-ins running on Office 365 for Windows will use an Edge WebView as the runtime.

Renewing your SSL certificate may help you resolve "An internal error has occurred" errors returned by mailbox.getCallbackTokenAsync.

As thousands of developers arrive in Seattle for the Microsoft Build conference, we’re excited to share with the community what we’ve been working on in Office Extensibility. We’ll also be sharing news about Microsoft 365, Microsoft Graph, and Microsoft Teams in separate blog posts.

Announcing some exciting Script Lab improvements! We've made some improvements to the Script Lab add-in that we want to let developers know about.

We need your feedback! Let us know what we can do to better support Office 365 INTERNATIONAL developer experience by completing this survey.

We want your feedback. Help us improve your Office 365 developer experience on the Office Dev Center by completing this user research survey.

To help you handle DPI changes in your Office solutions, we published a new article, Handle high DPI and DPI scaling in your Office solution. This article explains how to handle DPI changes for the following types of solutions: VSTO add-ins, COM add-ins, ActiveX controls, ribbon extensions, OLE servers, Office add-ins, and custom task panes.