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

Microsoft 365 Roadmap ID: 497299
Launched
Excel Microsoft 365 PowerPoint Word
Worldwide (Standard Multi-Tenant) GCC GCC High DoD
General Availability Preview
Desktop
August 2025

Description

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.

Change History

October 29, 2025 at 2:00 AM Updated
Status
Previous
Rolling out
New
Launched
Modified Date
Previous
2025-09-30T23:15:08.000Z
New
2025-10-28T23:15:02.000Z
October 1, 2025 at 2:01 AM Updated
Status
Previous
In development
New
Rolling out
Modified Date
Previous
2025-07-02T23:15:48.000Z
New
2025-09-30T23:15:08.000Z

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