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Microsoft Purview: Data Loss Prevention – File Testing Against Sensitive Information Classifiers

Microsoft 365 Message Center Archive by Merill Fernando

Summary

A new feature will be introduced on the main Classification page, allowing users to test files against all available classifiers to identify the presence of sensitive information. Users will have the option to select a single classifier or run tests across all classifiers. This capability is designed to help users identify sensitive content within files and troubleshoot classification issues more efficiently.

Status
Launched
General availability target
Mar 2026
Preview target
Feb 2026
Clouds
Worldwide (Standard Multi-Tenant)
Release phases
General Availability, Preview
Platforms
Web
Source created
19 Feb 2026
Source modified
11 May 2026 · 6mo 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 11 Nov 20:03 UTC · 274 of 275 readable · 273 fully read · documentation 469/469 current