New Year, New Momentum: Here are three Copilot updates to get you started into 2026

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It's a new year, so I thought I'd start the year by mentioning three features already released, or soon going to be released. One of the features improves the workflow of sharing files with comments, the other improves the application specific Copilot, and the last feature makes it easer to find the nest available timeslot for a 1:1 meeting. As with all of my other posts, timelines can shift, and the timelines in this post is as written in the Message Center at the time of posting. AI-Summary experience when sharing files. With this new feature, copilot intent to help users share files with clearer context in just a few steps. Users will get the capability to generate a concise summary of a file and include it when sharing from the File Explorer share dialog or the OneDrive activity center. This will make it easier to share the context of a file and giving the receiver a faster understanding of what a document or file contains before they open it. General Availability announced...

Teams native federation being rolled out

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This feature was announced earlier this year, but have taken some time to get implemented. This feature will give users a richer experience when chatting with users outside of the home tenant with federated functionality.

However, not all users are eligible for this feature. The official documentation has been updated with a description of how it is expected to work: Microsoft Docs

The short story is: Both users must be in a tenant set in "Teams Only" mode, and have these same settings themselves. You know this is the case when you can use features like @mentions, rich text and emojis in the chat.

According to the road-map, this feature should be well on the way to your tenants and land no later than "early December": 52394