• build smarter productivity apps

    Help over 100 million Office 365 users do more

Explore our developer tools, resources, and solutions.
Build solutions that harness the power of the Office 365 platform.
Expand the reach of your solution to new customers, partners, and markets.

Find resources

Attend global Office 365 developer bootcamp events and connect with Microsoft MVPs, community leaders and other developers in your area.

Microsoft Graph

Use the Microsoft Graph API to connect to the data that drives productivity - mail, calendar, contacts, documents, directory, devices, and more.

Office UI Fabric

The official front-end framework for building experiences that fit seamlessly into Office and Office365

Explore solutions

Image containing use case for LawToolBox365
OFFICE 365 TEAM ADD-IN

LawToolBox365 - Office for legal with deadlines

LawToolBox365 is a deadline management solution that empowers legal professionals to calculate rules-based deadlines, including deadlines in civil litigation based on rules of procedure for state and federal courts in 50 states.

Image of Nick Freund, Director of BetterCloud
OFFICE 365 APP VIDEO

Barnes Healthcare deploys BetterCloud to tighten management of its Office 365 platform

Barnes needed to beef up their data compliance, security and management tools. They found BetterCloud for Office 365, which empowers them to connect, analyze and properly store their data.

Image of use case of Wrike's Integreation with Microsoft Teams and Outlook
OUTLOOK TEAM ADD-IN

Wrike’s integrations with Microsoft Teams and Outlook turn conversations into structured work

Wrike is online project management software that enables enterprises to easily manage work across multiple projects, providing real-time visibility into work and keeping action items, deliverables, and conversations all in one place.