Microsoft 365 dev center

Get the latest news

Microsoft Graph Mailbag – A deeper look into the Microsoft Graph Power...

Learn how to navigate the Microsoft Graph Powershell SDK and how to use the SDK for some of the core features available with Microsoft Graph...
View blog
Universal Actions in Adaptive Cards on Microsoft Teams

The new release of Universal Actions in Adaptive Cards on Microsoft Teams brings support for user specific views, sequential workflows and u...
View blog
Change notifications extended for federated chats

Change notifications for Microsoft Teams messages are now available for federated scenarios.
View blog
Four new features to build richer apps for Microsoft Teams meetings

With hybrid work, the need for first-rate meeting experiences, whether remote or in-person, for every participant is critical. Four new feat...
View blog
What’s new in Office Platform at Build 2021

Take a tour of the new features for Excel and Outlook that will will help you bring your business solutions more seamlessly into Office.
View blog
Microsoft Graph @ Build 2021

We are excited to share all the new features that we’ve added to Microsoft Graph to enable developers and IT administrators to adapt to a ne...
View blog
What’s New for the Microsoft 365 Developer | Build 2021

It's Microsoft Build 2021! This year, we have an exciting set of new features and announcements from across the entire canvas of Microsoft 3...
View blog
Microsoft Teams App Development Challenge Winners!

We would like to congratulate the four winning partners on their awards and publishing their innovative new Microsoft Teams apps.
View blog
Announcing new file components, MSAL 2 Provider, and SharePoint Framew...

New Microsoft Graph Toolkit release includes enhanced features that makes your integration with Microsoft Graph even easier than before.
View blog
Publish your apps to the Microsoft Teams store

When you publish your SaaS offering to the Microsoft Teams store, you can reach more than 500,000 organizations, including small and large c...
View blog
Add custom keyboard shortcuts to your Office Add-ins in Excel

Today, we are excited to announce general availability for custom keyboard shortcuts for Office Add-ins in Excel.
View blog
Microsoft Graph .NET SDK v4 adds enhanced features – now in preview

Leverage new modern development features when integrating your application with Microsoft through Microsoft Graph .NET SDK v4
View blog

Photo of two women working at a computer

Use Power Platform to build low-code solutions

Streamline business processes and reporting through Power Apps, Power BI, Power Automate, and Power Virtual Agents.

Learn more

Photo of a woman working in front of monitors

Integrate with Office

Use Office Add-ins with familiar web technologies to extend Word, Excel, PowerPoint, and Outlook on multiple platforms.

Integrate with Office

Join the Microsoft 365 Developer Program

Get a free sandbox, tools, and other resources you need to build solutions for the Microsoft 365 platform, including:

A free Microsoft 365 E5 developer subscription
Sample data packs to automate configuration of your developer sandbox
Access to a community of Microsoft 365 experts
Personalized content recommendations

Join now

Featured tools

Graph Explorer

Try Microsoft Graph API requests and see sample responses.

Teams UI Kit

Get core components, scenario-based templates, and best practices for designing Teams apps.

Adaptive Cards

Create and share rich, interactive UI content in a consistent way.

Script Lab

Use the Office JavaScript API tool to create Office Add-ins for Excel, Word, or PowerPoint.

Find resources

SharePoint Site Templates – the latest features and experiences

In this 5-minute all audiences-focused demo, Nicole Woon – previews scenario-based site templates in a new template gallery that showcase bo...
View video
Gain your users attention with the Microsoft Teams Activity Feed API

In this 15-minute developer-focused demo, Thomy Gölles steps shows viewers a way to send activity notifications from both apps that live out...
View video
Microsoft Graph Assignments API

In this 21-minute developer-focused demo, Leif Brenne and Mei Tan methodically step through the Microsoft Graph Assignment Graph API v1.0 th...
View video
Microsoft Teams community call – June, 2021

Microsoft Teams monthly community call on June 15th. Demos: Kudos App sample using Teams Activity Feed API in Microsoft Graph, Building a ...
View video
Students show off their .NET app that improves online course registrat...

In this Show & Tell video, Cloud Advocate Ayca Bas (https://twitter.com/aycabs) interviews students from University College London (https://...
View video
Microsoft Graph Webhooks Sample for Node.js

This sample NodeJS web application shows how to subscribe to change notifications using webhooks. This sample also supports receiving change...
View code sample
Microsoft 365 PnP Weekly – Episode 131

In this installment of the weekly discussion revolving around the latest news and topics on Microsoft 365, hosts – Vesa Juvonen (Microsoft) ...
View video
Developing a Custom Card Extension using SharePoint Framework

During this 16-minute developer-focused demo, Luca Bandinelli and John explain how SPFx powered cards connect users to resources. Native 1s...
View video
Office Add-ins community call – June 2021

This month's community call features presentations - Excel v1.13 API updates (highlights 2 new APIs), Outlook Add-ins - Build 2021 recap (hi...
View video
Deep linking from List Formatting to Power Automate solution

In this 15-minute developer-focused demo, Chris Kent shows the integration of lists, list formatting and Power Apps. Achieve a similar look...
View video
Getting started with HTWOO UI – Fluent Design in HTML and CSS

In this 14-minute developer-focused demo, Stefan Bauer has developed an open-source community driven Fluent UI driven framework that’s just ...
View video
Microsoft 365 PnP – General Microsoft 365 Developer SIG community call...

Microsoft 365 PnP Community - General SIG call on June 10th. Demos: Remote Event Receiver Manager solution in SPFx for managing list event...
View video

Microsoft Build 2021

Develop for the Microsoft 365 platform

Build apps for Microsoft Teams

Integrate with Microsoft 365 apps

Get the latest news

Microsoft Graph Mailbag – A deeper look into the Microsoft Graph Power...

Universal Actions in Adaptive Cards on Microsoft Teams

Change notifications extended for federated chats

Four new features to build richer apps for Microsoft Teams meetings

What’s new in Office Platform at Build 2021

Microsoft Graph @ Build 2021

What’s New for the Microsoft 365 Developer | Build 2021

Microsoft Teams App Development Challenge Winners!

Announcing new file components, MSAL 2 Provider, and SharePoint Framew...

Publish your apps to the Microsoft Teams store

Add custom keyboard shortcuts to your Office Add-ins in Excel

Microsoft Graph .NET SDK v4 adds enhanced features – now in preview

Use Power Platform to build low-code solutions

Integrate with Office

Join the Microsoft 365 Developer Program

Featured tools

Find resources

SharePoint Site Templates – the latest features and experiences

Gain your users attention with the Microsoft Teams Activity Feed API

Microsoft Graph Assignments API

Microsoft Teams community call – June, 2021

Students show off their .NET app that improves online course registrat...

Microsoft Graph Webhooks Sample for Node.js

Microsoft 365 PnP Weekly – Episode 131

Developing a Custom Card Extension using SharePoint Framework

Office Add-ins community call – June 2021

Deep linking from List Formatting to Power Automate solution

Getting started with HTWOO UI – Fluent Design in HTML and CSS

Microsoft 365 PnP – General Microsoft 365 Developer SIG community call...