Microsoft 365 Developer Blog

A platform for creating collaborative apps for hybrid work

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Copilot UX components are generally available: bring interactive experiences into Copilot
Oct 28, 2026
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Copilot UX components are generally available: bring interactive experiences into Copilot

Vesa Juvonen

Copilot UX components are generally available with SPFx 1.24. Bring interactive dashboards, forms, and business actions directly into Microsoft Copilot, so peop...

Microsoft TeamsMicrosoft 365 DeveloperSharePoint Framework

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Oct 18, 2023
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Build message extensions for Microsoft Teams and Copilot

Rabia Williams

Enhance the messaging functionality of Microsoft Teams to easily search for and share information through rich cards, capture data, and preview app content right within Teams.

Oct 17, 2023
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Teams Toolkit update – October 2023

John Miller

This update brings searchability to the sample gallery, improvements to sample contribution, and the capability to create message extensions using your APIs.

Oct 13, 2023
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OData property changes to Microsoft Graph callRecords change notifications

Matthew McGrath

This post provides a final notification and confirmation of the upcoming breaking change that will occur the week of October 30, 2023 for the callRecords API in Microsoft Graph.

Oct 5, 2023
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Building immersive experiences with Microsoft Mesh

Tyler Adams

Microsoft Mesh is a new 3D immersive experience for the workplace, helping virtual meetings and events feel more like face-to-face connections.

Oct 4, 2023
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Microsoft 365 Developer Program instant sandbox service is restored

Kelly Bowen-McCombs (She/Her)

This week, we experienced an incident related to Microsoft 365 Developer Program instant sandboxes. This issue has now been resolved.

Oct 3, 2023
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Find what you need with Microsoft Graph connectors

Waldek,
Majesty

Learn about Microsoft Graph connectors, how to build them, and how to ensure seamless integration of your data into Microsoft 365 Copilot.

Sep 29, 2023
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Top 5 AppSource validation errors for Office Add-ins submissions – September 2023 

Elizabeth Samuel

AppSource validation ensures your Office Add-in submission follows Microsoft’s quality standards. This blog post covers the five current most common validation pitfalls.

Sep 29, 2023
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Retirement of Teams live events API on Microsoft Graph

Sam,
Annie

The retirement of Teams live events is set to happen on September 30th, 2024. After this date, all Teams live events services will cease to function.

Sep 27, 2023
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Microsoft 365 Developer Proxy v0.12 with new mocking capabilities

Waldek,
Garry

Microsoft 365 Developer Proxy v0.12 features new mocking capabilities to help develop and test your applications.

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