External Sharing in SharePoint and OneDrive is changing: What You Need to Know

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In an ongoing effort to create a more secure environment by default, Microsoft is introducing an important security update that will affect how external users access content shared through SharePoint and OneDrive. Starting July 1, 2025, any links shared with external users before your organization enabled Microsoft Entra B2B integration will no longer work. This change applies to all organizations that have already enabled or will enable SharePoint and OneDrive integration with Microsoft Entra B2B (Most organizations I have looked into so far). External users trying to use old links will see an error message saying the organization has updated its guest access settings. To regain access, the content must be reshared. Highlights of how the change affects organizations who have enabled B2B: All external sharing will require guest registration. External users must be added as guests in your Microsoft Entra directory. Access will be managed through Microsoft Entra B2B Invitation Manager. T...

New meeting feature coming soon, control what the audience can see

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The "Manage what attendees see" feature in Microsoft Teams is designed to help organizers deliver polished meetings or events by simplifying the attendee view and keeping the focus on participants who have been brought on screen. Previously, this was limited to webinars, but it seems this feature is coming as an option organizers can set on their meetings. Instead of automatically displaying shared content, it will first appear in the Manage screen’s left panel. An organizer or presenter must manually bring it on screen, preventing unintended interruptions and ensuring a smoother attendee experience. Additionally, presenters will now see their content displayed instead of a text message indicating they are sharing. For mobile users, only participants or content that has been brought on screen will be visible.

This is a different kind of meeting, where the intention is more of a one-to-many delivery, rather than a regular meeting. But I do think it makes it easier for users to organize these types of events with this new feature, rather than having to set up a dedicated webinar.

To configure the feature in an upcoming meeting (when the feature has become available to you), follow these simple instructions from Microsoft user guides.

According to the message center, this feature will start it's rollout in early April (already happening), and should be completed by the end of the month.