Introducing Teams App Test Tool
Teams App Test Tool is a new debugging option for Microsoft Teams bot applications within Teams Toolkit and makes the debugging experience easier than ever.

Teams App Test Tool is a new debugging option for Microsoft Teams bot applications within Teams Toolkit and makes the debugging experience easier than ever.
We’re announcing changes to how Office Add-ins and apps are installed, accessed, and sideloaded to Outlook for Windows and Outlook for Web.
We're excited to bring you an array of new features to make your Microsoft Teams app development experience even better.
Microsoft Graph CLI, the command-line tool that provides convenient methods to access Microsoft Graph API capabilities on any operating system and any shell, is now available.
Extend your existing search based message extensions and link unfurling in Microsoft Teams to Outlook without any new technical investments.
We’re very excited to announce the public preview of Copilot extensibility and other updates about our features and capabilities from across the Microsoft 365 platform.
Integrate your app into Microsoft’s Copilot and Teams in minutes with API message extensions and create your own intelligent app with the Teams AI Library.
Announcing the public preview of the Microsoft Teams chat controls for Microsoft Graph, powered by Microsoft Graph Toolkit and the Azure Communication Services UI Library.
Learn how to build an access control list (ACL) when importing content to Microsoft 365 using Microsoft Graph connectors.
Rich notifications for Outlook, now available, are a feature that let you receive notifications that include resource change data.
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