M365 Changelog: Organizers can lock meetings

MC251564 – Updated July 01, 2021: Microsoft has updated the rollout timeline below. Thank you for your patience.

Within the desktop app in-meeting experience, organizers can choose to lock their meetings to prevent subsequent unwanted join attempts.

Users attempting to join a locked meeting by any means (e.g. from web, desktop, mobile, PSTN, and devices) will not be able to do so. There will be a message to say that the meeting is locked.

This message is associated with Microsoft 365 Roadmap ID 80669

When this will happen

Microsoft will begin rolling out mid-July (previously mid-June) and expect to complete by the end of August (previously end of July).

How this will affect your organization

When the change has rolled out meeting organizers will have the option to Lock the meeting:

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What you need to do to prepare

You may consider updating your training and documentation as appropriate.

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