Published:
Aug 1, 2025
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Modified:
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5
min read

How to Generate a List of Inactive Teams Groups in Microsoft 365

Carmine Punella
Carmine Punella, a Microsoft Certified Professional, is renowned for his C# expertise, contributions to the Windows 8 App Hall of Fame, and extensive experience in designing scalable, reliable cloud-based platforms.

As a Teams Administrator, it's crucial to know which Teams groups are inactive. This helps you clean up these groups when needed. This article will show you how to find inactive Teams using the Microsoft 365 Admin Center and CoreView.

Method 1: Find Inactive Teams Groups with Microsoft 365 Admin Center

Usage dropdown screen
  • Navigate to the “Microsoft Teams” menu item and select the “Team usage” tab.
Team usage screen
  • Scroll down to the report. The “Last activity date” column shows the date of the last activity performed in each Teams group.
Last activity date screen
By checking the “Last activity date” column, you can determine if a Teams group is inactive (for example, if the last activity date was more than six months ago) and take the necessary action.

Method 2: Generate Inactive Teams Reports Using CoreView

  • Navigate to the CoreView app
  • Under “Reports”, select “Teams”, then choose “Teams group activity”.
Teams group activity
  • Under “Columns”, add “Last activity date” and click “Apply”.
Last activity date screen
  • This will display the date of the last activity performed in the Teams group.
Last activity date screen
You can also perform various actions directly from the report page in CoreView. For example, if you want to delete or archive any inactive Teams group, you can do this straight from the report page. Simply select the group and choose “Remove Teams group” or “Archive Teams group” from the “Manage” tab options.

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Created by M365 experts, for M365 experts.