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...

Download participant list from Teams meetings

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You will soon be able to download a participant list from within your Microsoft Teams meetings. This feature can be helpful to identify who attended a mandatory meeting, but also useful as a tool to identify users with connection problems. Multiple drops and reconnects can be a sign of network issues.
The feature is not enabled by default, and will have to be enabled by an admin with the following command: 
  • Set-CSTeamsMeetingPolicy - Identity Global - AllowEngagementReport "Enabled"
If you want to limit the availability of this feature, you will have to create a separate meeting policy, assign that policy to the users and then scope the above command to that policy.
This feature is available only from within a meeting, and should be rolling out already (early may, according to the admin message center).