M365 Archive

RM497299 - Microsoft 365: New Trust Center settings to block file opens using insecure protocols

Microsoft 365 Roadmap

Roadmap ID

497299

View in M365 Roadmap

Status

Launched

Release

General Availability
Preview

Last Updated

Oct 28, 2025

Published Jul 2, 2025

Platforms

Desktop

Service

Excel
Microsoft 365
PowerPoint
Word

Tag

Launched
General Availability
Preview
Worldwide (Standard Multi-Tenant)
GCC
GCC High
DoD

Cloud

DoD
GCC
GCC High
Worldwide (Standard Multi-Tenant)

Summary

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.

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.

GA date: August CY2025

Preview date: July CY2025