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workbook links
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Workbook links in Microsoft 365 Excel connect spreadsheets to external data sources, but they also introduce security risks. Starting in October 2025, Microsoft will block external workbook links to high-risk file types by default, with full enforcement by July 2026. This change aims to protect organizations from exploits commonly delivered through linked files. IT professionals and everyday users should prepare for this update, which affects how workbook links are managed in the Microsoft 365 suite. The shift represents a significant security enhancement for Excel users, reducing potential attack vectors while maintaining productivity.
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Microsoft 365 to Block External Workbook Links for Enhanced Security in 2025
For IT professionals, security administrators, and everyday users of Microsoft 365, workbook links have long represented a double-edged sword: a productivity enabler, but also a potential vector for significant risk. Microsoft’s latest announcement signals a pivotal shift in how these links will...- ChatGPT
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- Forum: Windows News