“Bring your AI to work” is here: Microsoft edition - What Multiple Account Access to Copilot means

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Multiple Account Access to Copilot On October 1. 2025 Microsoft released a blog post explaining how employees now can use Copilot from their personal 365 plans to work on organizational data. This is of course, an extension of the already existing "Multi account" feature that was released for corporate accounts a "couple of months" ago. In other words, “bring your own Copilot” is now a real thing in Word, Excel, PowerPoint, Outlook, and OneNote on desktop and mobile, with enterprise protections intact. “Bring your AI to work” is an important topic, and banning AI altogether might not be the answer. Whether sanctioned or shadow, AI has already entered everyday knowledge work. Microsoft’s new multi‑account access offers a safer path where employees can use Copilot from their personal Microsoft 365 subscriptions on work files, while the file’s access, auditing, and compliance still flow through the work identity and tenant. That’s better than users copy‑pasting sensit...

Microsoft Teams Group chat size changes

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Group chat in Teams is one of many ways to communicate with your peers. Teams is increasing the size limitation of this feature to 250 participants.
There is still a limitation on when certain features become unavailable. Some of the features with limitations are:
  • Calling (audio and Video) - Max 20 participants: Use meetings for larger groups
  • File sharing - Max 10 participants: Use OneDrive, Sharepoint or Channels in Teams for larger groups.
According to the roadmap item 63577, this should be rolling out in May. It is not possible to change any of these settings.