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MIME Type Restrictions for File Uploads

Version: v1.2.1 | Status: live | Domain: Content & Data Protection | Tier: 2 | Zones: personal, team, enterprise | Data classification: internal

Dataverse plugin, connector-classification reference, and Sentinel queries for MIME type restriction governance in Copilot Studio agent file upload scenarios.

Mapped Controls

1.5, 1.13, 1.25, 3.3, 3.7

Prerequisites

Role Requirement
power-platform-admin Dataverse System Administrator access to register the plugin, configure data policy connector classifications, and manage solution components.
log-analytics-reader Access to the Microsoft Sentinel or Log Analytics workspace that hosts PowerPlatformDlpActivity_CL for query validation.

Verification

Run scripts/query-mime-blocks.kql and scripts/query-exception-usage.kql against PowerPlatformDlpActivity_CL and confirm blocked uploads plus exception-usage events are returned.

Documentation

Document
Build And Sign
Build Instructions
Delivery Checklist
Flow Configuration

View source on GitHub { .md-button }