Showing results for Outlook - Microsoft 365 Developer Blog

Dec 2, 2024
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Update on nested app authentication and deprecation of Exchange Online legacy tokens

David Chesnut
David Chesnut

Earlier this year, the Office Platform Team announced that Exchange Online legacy tokens are deprecated and will be turned off. This is part of Microsoft’s Secure Future Initiative (SFI) to give organizations the tools they need in the current threat landscape. We’ll begin turning off legacy tokens in February 2025. Publishers and developers are ac...

Office Add-insMicrosoft 365 Developer
Nov 19, 2024
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What’s new for Office Add-ins at Ignite 2024

Office Add-ins team
Office Add-ins team

The Office Platform team has been busy working on improvements to the platform since we last reported. This blog covers the new features from the office-js team announced at Ignite 2024.

Office Add-insMicrosoft 365 Developer
Nov 15, 2023
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Ignite 2023: Ushering in the era of Microsoft Copilot extensibility

Ben Summers
Ben Summers

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.

Microsoft GraphMicrosoft TeamsOffice Add-ins
Oct 26, 2023
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Update to Exchange callback tokens for Outlook add-ins

Akhilesh Shah
Akhilesh Shah

Learn how to prepare for the upcoming change to Exchange callback tokens and avoid any disruptions in your Outlook add-ins. 

Microsoft 365 DeveloperOffice Add-ins