Copilot in Outlook: Meeting Preparation Is About to Get Smarter

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Currently, the “Prepare for meetings with Copilot” feature requires at least three participants. Starting mid-October, this is changing. Copilot will soon support all meetings, including 1:1s. The rollout will begin in mid-October and is expected to complete by November 2025 according to the message center. With this update, you’ll also see new real-time insights in the Outlook meeting event form, summarizing relevant context, tasks, documents, and other resources. Plus, you’ll be able to chat with Copilot to confirm action items or better understand meeting goals. The more context Copilot has, the better it works. Meeting series with related emails, shared documents, Teams chats, and previous Copilot transcriptions deliver the richest experience. If your organization limits Copilot to in-meeting use only and deletes content afterward, you’ll miss out on much of this value. Here is a relevant " how to " guide for users.

Prepare for: Multiple account access to Copilot in Microsoft 365

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There is a new (As of January 30, 2025) policy setting is available in Cloud Policy, which will enable multiple account access to Copilot in Microsoft 365 desktop and mobile apps, allowing users to utilize Copilot across different signed-in accounts. 

The feature itself will allow a user to use a fully licensed Copilot feature from one tenant on "any" document available to them in a tenant they have access to. No matter if the user has Copilot in any of the other tenants. The feature will be rolled out globally from early March 2025 and is expected to be completed by late March 2025, but organizations might want to look into this policy and understand how it may or may not impact their existing security policies.

I recommend reading up on the following article, where details about what the user can access in different scenarios are described.

Here are some of the things to take into consideration: 

  • Copilot's data protection is based on the identity used to access the file, ensuring enterprise data protection regardless of the account used. 
  • The setting for web grounding in Copilot is also identity-based. If web grounding is disabled for a particular identity, it will remain disabled even when accessing Copilot from another account.
  • If a user is accessing a document in a different tenant, work grounded data from the home tenant will NOT be available
  • The feature will be available in most of the major apps. 
For organizations considering to restrict this behaviour, Microsoft has provided the following Learn Article.