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

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...

Advanced Communications add-on for Microsoft Teams

The Advanced Communications add-on was recently released for Microsoft Teams. This is a set of features you don't get with your regular E3 or E5 licenses. 

So what do you get for $12 per user (have in mind, only organizers of meeting need these licenses in order to use them).

Upon release:

  • Live events support for up to 20,000 participants, 50 concurrent events, event duration of 16 hours per broadcast.
  • Compliance recording integration (ISV)
  • Contact Center solution integration (ISV)

Coming later, but obviously in the works:

  • Interactive Teams meetings for up to 1,000 participants
  • Interactive Teams meetings for 1,000 participants with the capability to enable up to 20,000 in a view-only meeting experience
  • Custom branded meeting lobby
This last item, has also been announced in the Admin Center. The ability to add companywide, custom logos that will display in the pre-join screen and the lobby. Listed as Roadmap ID 67113

You can read more about the advanced licenses in the Teams documentation