PowerShell Script: What are my Teams With Private Channels

If you are trying to find a list of all your teams with private channels then this PowerShell script is just what you need.

The script’s purpose is to find all teams with private channels. It gets all teams and checks all the channels for each one. 

The script will output the team and any of the private channels it has, including all owners and members of the channel. By default, the script outputs the result only to the screen. There are optional flags available to export the result to CSV  

-ExportCSV (if set, this will automatically export the result to a CSV file. If no export path is set, it will export the file to %temp% folder)  

Example: Get-TeamsWithPrivateChannels.ps1 -ExportCSV  

-ExportFilePath  

Example: Get-TeamsWithPrivateChannels.ps1 -ExportCSV -ExportFilePath “C:\Temp\report.csv”

PowerShell Script code:

#Owners, Members, channeldid and csv export)
# Set script parameters
[CmdletBinding()]
param (
    [switch]$ExportCSV,
    [string]$ExportFilePath = "$env:TEMP\$(Get-Date -Format "yyyy_MM_dd")TeamsWithPrivateChannels.csv"
)

# Check or install Microsoft Teams module
if ($null -eq (Get-Module -ListAvailable MicrosoftTeams)) {
    try {
        Write-Output "Microsoft Teams module not found. Trying to install"
        [Net.ServicePointManager]::SecurityProtocol = [Net.SecurityProtocolType]::Tls12
        Install-PackageProvider -Name NuGet -MinimumVersion 2.8.5.201 -Force | Out-Null
        Install-Module MicrosoftTeams -Force | Out-Null
        Write-Output "Microsoft Teams module installed"
    }
    catch {
        Write-Output "Unable to install Microsoft Teams module. $($Error[0].Exception.Message)"
        Return
    }
}

# Connect to Microsoft Teams
try {
    Write-Output "Connecting to Microsoft Teams"
    Connect-MicrosoftTeams | Out-Null
}
catch {
    Write-Output "Unable to connect to Microsoft Teams. $($Error[0].Exception.Message)"
    Return
}

# Get all teams
$AllTeams = Get-Team

# Create empty report object
$FinalReport = @()

# Check channels of each team
ForEach ($SingleTeam in $AllTeams) {
    # Get all private channels
    try {
        $AllChannels = $null
        $AllChannels = Get-TeamChannel -GroupId $SingleTeam.GroupId -MembershipType Private
        if ($AllChannels) {
            ForEach ($SingleChannel in $AllChannels) {
                # Get members of each channel
                $AllChannelMembers = Get-TeamChannelUser -GroupId $SingleTeam.GroupId -DisplayName $SingleChannel.DisplayName
                $TeamObject = [PSCustomObject]@{
                    Team           = $SingleTeam.DisplayName
                    ChannelName    = $SingleChannel.DisplayName
                    ChannelId      = $SingleChannel.Id
                    MembershipType = $SingleChannel.MembershipType
                    Owners         = ($AllChannelMembers | Where-Object { $_.Role -eq 'Owner' } | Select-Object -ExpandProperty Name) -join ','
                    Members        = ($AllChannelMembers | Where-Object { $_.Role -eq 'Member' } | Select-Object -ExpandProperty Name) -join ','
                }
                $FinalReport += $TeamObject
            }
        }
    }
    catch {
        Write-Output "Failed to get private channels of $($SingleTeam.DisplayName) team. $($Error[0].Exception.Message)"
        $TeamObject = [PSCustomObject]@{
            Team  = $SingleTeam.DisplayName
            Error = "Failed to get channels of the team. $($Error[0].Exception.Message)"
        }
        $FinalReport += $TeamObject
    }
}

# Print result to the screen
Write-Output $FinalReport | Sort-Object User | Format-Table

# Export result to CSV file if needed
if ($ExportCSV) {
    $FinalReport | Sort-Object User | Export-Csv -Path $ExportFilePath -NoTypeInformation
    Write-Output "Report saved to $ExportFilePath"
}

# Stop before closing powershell window
Read-Host "Script completed. Press 'Enter' to finish"

 

Get a list of teams with private channels quickly with SysKit Point

SysKit Point, a Microsoft 365 governance and management platform, can get you a list of teams with private channels quickly.

SysKit Point can generate various reports in real time. You can easily access them online and share them with your colleagues or managers with a simple link.

Additionally, you can schedule reports, export them in excel or PDF, and perform management actions directly from a report. Easily check Project Server sites, security and database information, operational policies, time and task management settings, the projects list, and project permissions.

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