Microsoft is unlocking the "Full Potential" of Private Channels in Microsoft Teams: What You Need to Know

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It has been a while since I posted something just about a Microsoft Teams update, as a lot have been Copilot in Teams to be honest. But here is a real Microsoft Teams update I think is worth knowing about, and it involves Security and Compliance as well. Microsoft is rolling out a "major" update to private channels in Teams, starting in late September 2025 and continuing through mid-December. This biggest change in this update is a shift in how private channel data is stored from individual user mailboxes to a dedicated channel mailbox. Not only will this simplifie compliance management, it will also and align private channels with shared channels, making governance and experience more consistent across Teams. This update promises to increase the support up to 1000 channels per team and 5000 members per channel, removing previous limitations. Teams will also allow meetings to be scheduled directly within private channels, enhancing collaboration.  For organizations using Micr...

1000 channels in Teams, sending an invite to channel meeting participants and Automatic transcription of videos

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If you have a meeting recording but forgot to add transcriptions, it might be good to know automatic transcription will be added to files uploaded to SharePoint, Yammer or office.com. This feature is currently rolling out and should be generally available by late August. The feature is ON by default, but can be controlled by the set-SPOTenant command. If you are not familiar with how transcriptions work, here is a blogpost to get you up to speed.

Not the most technical update, but still an update that will be appreciated. According to roadmap item 127496, the number of channels per team will increase from 200 standard and 200 shared channels to 1000 channels combined + 30 private channels.  This should give organizations great flexibility within their teams. The feature is currently rolling out in preview, and should be generally available by the end of September.

Organizers of channel meetings should soon be able to also send invites directly to participants of the channel by a turn of a toggle in the invite. This will send invites directly to members' mailboxes, and the chances of missing a scheduled channel meeting should be something in the past. Roadmap item 142405 should be rolling out some time during August.