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...

Announcements in Viva Connections and Viva Topics for Viva Engage (Yammer) coming soon.

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Announcements in Viva Connection is a new Viva feature coming to organizations this fall. According to MC663637 in the message center, the feature should be starting to roll out some time during August and will be generally available by the end of September. With this feature organizations can create and share time-sensitive information. This is a great way to get important information out to the employees. Use this documentation on Microsoft Learn as guidance. 

Viva Topics has been available for a range of Microsoft 365 apps, but not for Viva Engage (Previously Yammer) users. This is about to change. The rollout started earlier this year, and will continue for a couple of months. The latest post in the message center suggest the feature should be generally available by the end of October. Learn how to get started with Viva