Connect-MicrosoftTeams

# Create a new private team
New-Team -DisplayName "Sales Q3 Project" -Description "Q3 2026 Sales campaign team" -Visibility Private

# List all teams in the tenant
Get-Team | Select-Object DisplayName,Visibility,Archived,GroupId | Sort-Object DisplayName

# Get channels for a specific team
$team = Get-Team -DisplayName "Sales Q3 Project"
Get-TeamChannel -GroupId $team.GroupId | Select-Object DisplayName,MembershipType

# Add a standard channel
New-TeamChannel -GroupId $team.GroupId -DisplayName "Campaign Assets" -MembershipType Standard

# Add a private channel
New-TeamChannel -GroupId $team.GroupId -DisplayName "Finance Approvals" -MembershipType Private

# Archive a team (read-only, preserves data)
Set-TeamArchivedState -GroupId $team.GroupId -Archived $true

# Delete a team permanently
Remove-Team -GroupId $team.GroupId

Connect-MicrosoftTeams
Connect-MgGraph -Scopes "Directory.ReadWrite.All"

# Get the current group unified settings
$settings = Get-MgDirectorySetting | Where-Object { $_.DisplayName -eq "Group.Unified" }

# If no setting exists yet, create it from the template
if (-not $settings) {
  $template = Get-MgDirectorySettingTemplate | Where-Object { $_.DisplayName -eq "Group.Unified" }
  $params = @{ templateId = $template.Id; values = $template.Values }
  New-MgDirectorySetting -BodyParameter $params
  $settings = Get-MgDirectorySetting | Where-Object { $_.DisplayName -eq "Group.Unified" }
}

# Get the security group that will be allowed to create teams
$allowedGroup = Get-MgGroup -Filter "DisplayName eq 'Teams-Creators'" | Select-Object -First 1

# Restrict group/team creation to members of that group
$vals = $settings.Values
($vals | Where-Object Name -eq "EnableGroupCreation").Value = "false"
($vals | Where-Object Name -eq "GroupCreationAllowedGroupId").Value = $allowedGroup.Id
Update-MgDirectorySetting -DirectorySettingId $settings.Id -Values $vals

Write-Host "Team creation now restricted to Teams-Creators group members"

Connect-MicrosoftTeams
Connect-MgGraph -Scopes "Group.Read.All","Directory.Read.All"

# Find teams with zero channels (likely abandoned)
Get-Team | ForEach-Object {
  $team = $_
  $channels = (Get-TeamChannel -GroupId $team.GroupId -ErrorAction SilentlyContinue | Measure-Object).Count
  [PSCustomObject]@{
    TeamName     = $team.DisplayName
    Visibility   = $team.Visibility
    Archived     = $team.Archived
    ChannelCount = $channels
  }
} | Where-Object ChannelCount -eq 0 | Sort-Object TeamName

# List all archived teams
Get-Team | Where-Object Archived -eq $true | Select-Object DisplayName,Visibility,GroupId

# Unarchive a specific team
$team = Get-Team -DisplayName "Old Project Team"
Set-TeamArchivedState -GroupId $team.GroupId -Archived $false

Connect-MicrosoftTeams

# View all messaging policies
Get-CsTeamsMessagingPolicy | Select-Object Identity,AllowGiphy,GiphyRatingType,AllowMemes,AllowUserChat,AllowPriorityMessages

# Create a policy for frontline workers (minimal distractions)
New-CsTeamsMessagingPolicy -Identity "Frontline-Messaging" -AllowGiphy $false -AllowMemes $false -AllowStickers $false -AllowUserDeleteMessage $false -AllowUserEditMessage $true -AllowPriorityMessages $false

# Assign to a specific user
Grant-CsTeamsMessagingPolicy -Identity user@techcareers.in -PolicyName "Frontline-Messaging"

# Batch assign to multiple users
New-CsBatchPolicyAssignmentOperation -PolicyType TeamsMessagingPolicy -PolicyName "Frontline-Messaging" -Identity @("user1@techcareers.in","user2@techcareers.in")