The Governance Toolkit 365 (GT365) provides many insights from a Microsoft 365 tenant, like users, guests, teams, activities, Power Apps and Flows, Power BI reports and much more. If reports don't show names, IDs, or other details, you'll need to turn off the obfuscation feature in the Microsoft 365 admin center. Here´s how.
Here's an example of a Teams activity report showing when Teams were last accessed. As you can see in the following screenshot, the TeamId and the TeamName are not shown correctly.
The TeamId is always "00000000-0000-0000-0000-000000000000" and the TeamName "Team information is obfuscated. Change the setting in the Microsoft 365 admin center if you want to see team names and identifiers." informs that the data is obfuscated. So the report makes little sense for further action.
Turn off obfuscation
To solve that, open the M365 admin center as a Global Admin and navigate to the Settings / Org settings / Reports. Turn ON the switch "Display concealed user, group, and site names in all reports", as here.
Note: By default, reports conceal user information such as usernames, groups, and sites. So, you need to switch it on to see all data without obfuscation.
This applies to all reporting functions in Microsoft 365, see also Delegate365-Empty Reports.
The GT365 will regenerate all reports with the Ids and names the following night. Check that out the following day.