Microsoft 365: New Trust Center settings to block file opens using insecure protocols

New settings in Trust Center will allow users to restrict or allow file opens using FTP/HTTP protocols and fallback to FrontPage Remote Procedure Call (FPRPC) protocol.

Product Word
Release phase Preview
Release date August CY2025
Preview date: July CY2025
Platform Desktop
Cloud Instance Worldwide (Standard Multi-Tenant), GCC, GCC High, DoD
Created 2025-07-02
Roadmap ID 497299
Roadmap Link https://www.microsoft.com/microsoft-365/roadmap?id=497299


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I've been working with Microsoft Technologies over the last ten years, mainly focused on creating collaboration and productivity solutions that drive the adoption of Microsoft Modern Workplace.

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