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...

Ignite Live Blogging: Microsoft Teams Behind the Scenes

My third blogpost from this week's sessions at Ignite has now been posted. I am sorry it didn't come out yesterday, but I wanted to get a few clairifications from the team before it went live. This was probably one of the better sessions I went to all week. Dan Stevenson was open, straight forward and to the point on the questions he got.



Catch up with this great session right here:



Ignite Live Blogging: Microsoft Teams Behind the Scenes: