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MC1130392 — Microsoft 365 apps | New Trust Center settings to block insecure file open protocols

MC1130392Microsoft 365 suite · Microsoft 365 appsstayInformedUpdated: 6 August 2025

Microsoft 365 apps will block insecure file open protocols like FPRPC by default starting version 2508, with new Trust Center settings to manage these protocols. Admins can control settings via Group Policy or Cloud Policy service. Changes apply only to Microsoft 365 apps for Windows, not Teams.

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Applies to: Microsoft 365 suite · Microsoft 365 apps
Source: mc.merill.net — data via Merill Fernando's open archive (MIT).