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...

Python in excel and copilot is coming soon.

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The integration of Python in Excel for the web marks a significant enhancement for data analysis and automation, especially when it is added to Copilot. I think this is the one feature I hear my customers ask for the most when I do demos on Copilot in Excel.

Python in Excel with standard compute became generally available to all eligible users with access to Excel for Windows. But now, there is an upcoming rollout that will extend this availability to Microsoft Excel for the web, allowing all eligible users to utilize Python formulas in their workbooks without any installation. These formulas will be executed in a secure container on the Microsoft Cloud, ensuring enterprise-level security.

With this release, users with a Microsoft 365 Copilot license will also be able to leverage the Copilot in Excel with Python feature. This integration enables deeper data analysis by combining AI and Python capabilities within Excel. There will be a premium sku available, offering premium compute for faster calculations.

This update is associated with Microsoft 365 Roadmap ID 471001, and hopefully it will be available for all by the end of March.