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    • Build logo

      Microsoft Build 2021

      Learn about the exciting set of new features and announcements for Microsoft 365 developers at Build 2021.

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      Develop for the Microsoft 365 platform

      Build rich solutions that integrate apps and business processes to enhance productivity in the modern workplace.

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      Build apps for Microsoft Teams

      Extend and customize Teams to create and connect apps and workflows.

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    Start with the Microsoft identity platform
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    Connect to data through Microsoft Graph
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    Extend your solution through Microsoft Teams​
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    Publish your app

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    Get the latest news

    • Analysis Cloud Limited automates Excel reporting, modernizes workflow ...

      At Analysis Cloud Limited, we’ve used Office Scripts to completely automate a Covid-19 reporting process used by one of our clients. Using O...

      View blog
    • Attention: breaking changes coming to the Microsoft Graph userPurpose ...

      The userPurpose API will be offline for some pre-production updates. To mitigate the impact of this downtime, we are making another *tempora...

      View blog
    • Microsoft Graph Mailbag – Explore Microsoft Graph with Postman

      Learn how to use the Microsoft Graph Postman collection to explore the Microsoft Graph API.

      View blog
    • Universal Actions: Unified developer experience for Adaptive Cards on ...

      The new Universal Action model for Adaptive Cards includes many improvements. Get a glimpse of what they are and how our partners are alread...

      View blog
    • Improved API support for working with files in the SharePoint recycle ...

      We’re rolling out some improvements for working with files in the SharePoint recycle bin. Once these changes are active, files and folders t...

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    • Assignments API for Microsoft Graph is now generally available

      The assignments API in Microsoft Graph, now generally available on the v1.0 endpoint, makes it easy for you to build solutions that integrat...

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    • 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...

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    • 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...

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    • Change notifications extended for federated chats 

      Change notifications for Microsoft Teams messages are now available for federated scenarios.

      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
    • 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...

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    • 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...

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    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:

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    Featured tools

    Graph Explorer
    Try Microsoft Graph API requests and see sample responses.
    Explore
    Teams UI Kit
    Get core components, scenario-based templates, and best practices for designing Teams apps.
    Explore
    Adaptive Cards
    Create and share rich, interactive UI content in a consistent way.
    Explore
    Script Lab
    Use the Office JavaScript API tool to create Office Add-ins for Excel, Word, or PowerPoint.
    Explore

    Find resources

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

      Microsoft 365 PnP Community - General SIG call on June 24th. Demos: Getting started with PnP Teams QuickStart, Our learnings from the AppS...

      View video
    • Custom function batching pattern

      If your functions call a remote service you may want to use a batching pattern to reduce the number of network calls to the service.

      View code sample
    • Share global data with a shared runtime

      This sample shows how to share data across the ribbon, task pane, and custom functions.

      View code sample
    • Using storage to share data between UI-less custom functions and the t...

      If you need to share data values between your UI-less custom functions and the task pane, you can use the OfficeRuntime.storage object. UI-l...

      View code sample
    • Teams App Dev Challenge winners bring data and dashboards into Teams c...

      Decision Point, a Microsoft Gold Partner for Data Analytics, is a company that does extensive work with clients in creating value from their...

      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 Graph Data Connect overview

      In this 16-minute developer-focused demo, Nik Charlebois delivers an end-to-end tutorial on extracting information at scale from Microsoft G...

      View video
    • Microsoft 365 PnP Weekly – Episode 132

      In this installment of the weekly discussion revolving around the latest news and topics on Microsoft 365, hosts – Vesa Juvonen (Microsoft) ...

      View video
    • TCS’ Incident Management Teams app integrates Universal Actions for Ad...

      Tata Consultancy Services (TCS) – a Universal Actions for Adaptive Cards showcase partner solution highlighting User Specific Views, Sequent...

      View video
    • Manage ribbon and task pane UI, and run code on doc open

      This sample shows how to create contextual ribbon buttons that are enabled based on the state of your add-in. It also shows how to use the O...

      View code sample
    • Microsoft Graph snippets sample for ASP.NET Core 3.1

      This sample uses the Microsoft Graph .NET Client Library to work with data, and the Microsoft Identity Web for authentication on the Microso...

      View code sample
    • Increase the resilience of authentication and authorization applicatio...

      This month’s in-depth topic: Increase the resilience of authentication and authorization applications you develop. Tips for adding and in...

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