List all team members in Microsoft Teams teams in the tenant

List all team members in Microsoft Teams teams in the tenant and exports the results in a CSV.

PowerShell

function Get-TeamMembers(
    [Parameter(Mandatory = $false)][string] $teamID
) {
    if (!$teamID) {
        Write-Error "'Team ID' is required!"
        return
    }
    Write-Host "Retrieving the users.."
    $results = @()
    $users = m365 teams user list --teamId $teamID -o 'json' | ConvertFrom-Json
    if ($users.length -gt 0) {
        foreach ($user in $users) {
            $results += [pscustomobject][ordered]@{
                ID             = $user.id
                "Display Name" = $user.displayName
                UPN            = $user.userPrincipalName
                Role           = $user.userType
            }
        }
    }
    else {
        Write-Output "No team members!"
    }
    Write-Host "Exporting the results.."
    $results | Export-Csv -Path "TeamMembers.csv" -NoTypeInformation
    Write-Host "Completed."
}

Write-Host "Ensure logged in"
$m365Status = m365 status --output text
if ($m365Status -eq "Logged Out") {
    Write-Host "Logging in the User!"
    m365 login --authType browser
}