Microsoft 365 Developer Blog

A developer platform for building collaborative apps for hybrid work

New Microsoft 365 E5 subscription with EMS now available for developers

Starting this week, all new members of the Office 365 Developer Program (including Visual Studio Professional and Enterprise members) can sign up for a Microsoft 365 E5 developer subscription (Windows not included). This replaces the Office 365 E3 developer subscription that we made available starting in March 2018.

Microsoft Graph Sample Data Packs Now Available in Office 365 Developer Program

Today we’re excited to announce the launch of two sample data packs to help remove this pain point with basic automated sandbox creation: Users - Includes fictitious users, metadata, and photos to simulate a small corporate environment of 16 users. Mail & Events (to be installed after Users) - Populates Outlook email conversations and calendar events for each of the 16 sample users.

Update your custom functions project

If you built your custom functions project using the Yo Office Yeoman generator template during the preview period prior to May 6, you’ll want to update parts of the project ensure it is using the GA version libraries and features. This blog post covers the methods that have changed.

Office Extensibility: Build 2019

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.