Microsoft o365 Teams Data Retention Policies Setup

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  3. Microsoft o365 Teams Data Retention Policies Setup

Microsoft 365 – Microsoft Teams Data Retention Policy Setup

This guide explains how to configure Microsoft Teams chat data retention policies using the Microsoft Purview compliance portal.

Suitable for IT administrators, compliance, and audit support.

When to Use This Guide

Use this guide when:

  • You need to control how long Microsoft Teams chat messages are retained

  • You want to delete chat history after a defined period

Prerequisites

Before starting, ensure:

  • You have Microsoft 365 Global Admin or Compliance Admin permissions

  • Microsoft Teams is enabled for your tenant

  • You understand the required retention period (legal, audit, or operational)

Portal Access

Step-by-Step: Create a Teams Retention Policy

Step 1: Log in to Microsoft 365 Admin

  1. Log in to Microsoft 365 Admin Center

  2. Open Microsoft Purview

Step 2: Navigate to Retention Policies

  1. In Microsoft Purview, click Solutions

  2. Select Retention

  3. Click Retention policies

Step 3: Create a New Retention Policy

  1. Click New retention policy

  2. Provide a policy name and optional description

    • Example: Teams Chat – 2 Year Retention

Step 4: Choose Locations

  1. Select Microsoft Teams chats

  2. Choose whether the policy applies to:

    • The entire organization, or

    • Specific users, groups, or teams

Step 5: Configure Retention Settings

  1. Set the policy to Delete items after a specific period

  2. Define the retention duration (days, months, or years)

Important:
The retention period starts when the message is created.

Step 6: Review and Create

  1. Review the policy configuration

  2. Click Create to publish the retention policy

The policy may take time to propagate across the tenant.

Key Notes

  • Retention policies apply going forward and may take up to several hours to fully enforce

  • Deletion is automatic once the retention period expires

  • Policies can be updated or removed if requirements change

Best Practices

  • Document the business reason for each retention policy

  • Avoid overlapping policies unless intentionally designed

  • Coordinate changes with Legal, Compliance, and IT stakeholders

Summary

  • Access Microsoft Purview via Microsoft 365 Admin

  • Navigate to Solutions → Retention → Retention policies

  • Create a new policy for Microsoft Teams chats

  • Set retention duration and scope

  • Retention begins at message creation time

This process ensures Microsoft Teams chat data is retained and deleted in accordance with organizational policy.