“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...

Cross posting in multiple channels

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Here is another feature that has been in the works for a while, and I know a lot of customers who have been waiting for this: Cross porting of messages in multiple channels in multiple teams.

It easy to use, and accessed through the "rich text" button on the bottom left when you create a new message. Then select your channels in the "select channels" button.

Be aware though, once these are posted, there is for now no way to see which channels you have posted the message in, and there is no aggregated view of all the comments in the different channels, they have to be monitored individually for now.

This is the M365 roadmap ID 52393 and should reach all tenants by the end of this month.