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Microsoft Copilot (Microsoft 365): [Copilot Extensibility] [Search UX] Custom filter support for data sources on Copilot Search

Microsoft 365 Message Center Archive by Merill Fernando

Summary

1. Allow IT admins to customize filters at a data source level. 2. IT admins can add/delete a filter at data source level.

Status
Launched
General availability target
Dec 2025
Preview target
Not published
Clouds
Worldwide (Standard Multi-Tenant)
Release phases
General Availability
Platforms
Web
Source created
31 Oct 2025
Source modified
12 Mar 2026 · 8mo ago
ChangeIntel

An IT change radar: releases, security, known issues, retirements, documentation changes, and service status from public sources. Every item links to supporting evidence; dates and statuses can change after they are read.

Sources read 12 Nov 10:06 UTC · 270 of 275 readable · 268 fully read · documentation 469/469 current