Get-TeamsArchivedTeamsReport

<#
.SYNOPSIS
    Reports all archived teams with owner and creation details.

.DESCRIPTION
    Lists every team currently in an archived state along with its
    owners and creation date, useful for a periodic cleanup review to
    decide what gets deleted outright versus kept for reference.

.EXAMPLE
    .\Get-TeamsArchivedTeamsReport.ps1

.NOTES
    Requires the MicrosoftTeams and Microsoft.Graph.Groups modules with
    active sessions.

.AUTHOR
    Shehryar Hassan
#>

$teams = Get-Team | Where-Object { $_.Archived -eq $true }

$report = foreach ($team in $teams) {
    $group = Get-MgGroup -GroupId $team.GroupId
    $owners = Get-MgGroupOwner -GroupId $team.GroupId | ForEach-Object { $_.AdditionalProperties.displayName }
    [pscustomobject]@{
        TeamName    = $team.DisplayName
        CreatedDate = $group.CreatedDateTime
        Owners      = $owners -join ", "
    }
}

$report | Sort-Object CreatedDate | Format-Table -AutoSize
Write-Host "$($report.Count) archived team(s) found" -ForegroundColor Cyan