Modifying assignment details such as instructions, due dates, or attached resources.
Hi CharlieHulme,
Please be advised that when you delete a team, it will be retained for 30 days by design. This 30-day period is called "soft-delete" because you can restore the group associated with Team.
So, until the team gets deleted past 30 days, it will show up in your insight report.
Nevertheless, if you want to delete Teams permanently and remove them from Insight app report, please contact your IT administrator to so from the backend:
For more, see https://docs.microsoft.com/en-us/microsoftteams...
Given the situation, If you have any suggestion on this, please send your feedback to Microsoft product group by submitting your suggestion to Microsoft Teams UserVoice here:
https://microsoftteams.uservoice.com
Regards
Nik