Posts tagged with "Microsoft 365"
Microsoft Teams PowerShell Management Guide
PowerShell scripts for Microsoft Teams stuff.
Get all owners of all teams and team channels
## Documentation: https://learn.microsoft.com/en-us/powershell/module/teams/?view=teams-ps
# Run the following command to install the latest PowerShellGet:
Install-Module -Name PowerShellGet -Force -AllowClobber
# Install the Teams PowerShell Module.
Install-Module -Name MicrosoftTeams -Force -AllowClobber
# To start working with Microsoft Teams PowerShell module, sign in with your Azure credentials.
Connect-MicrosoftTeams
$user =Read-Host -Prompt 'Input the user name'
$teams = Get-Team -User $user
$teamMemberships=@()
$teamChannels=@()
$teamChannelMemberships=@()
$i = 1
$teamMemberships = foreach ($team in $teams) {
$GroupId = $team.GroupId
Get-TeamUser -GroupId $GroupId | Select-Object *,@{Name="GroupId";Expression={$GroupId}}
$channels = Get-TeamAllChannel -GroupId $GroupId | Select-Object *,@{Name="GroupId";Expression={$GroupId}}
$teamChannels += $channels
$teamChannelMemberships += foreach ($channel in $channels) {
$channelDisplayName = $channel.DisplayName
Get-TeamChannelUser -GroupId $GroupId -DisplayName $channelDisplayName | Select-Object *,@{Name="GroupId";Expression={$GroupId}}
}
$percent = [Math]::Round((100 * $i) / $teams.Length)
Write-Progress -Activity "Search in Progress" -Status "$percent% complete"
$i++
}
$teams | Export-Csv -Path "teams.csv" -NoTypeInformation
$teamMemberships | Export-Csv -Path "team-memberships.csv" -NoTypeInformation
$teamChannels | Export-Csv -Path "team-channels.csv" -NoTypeInformation
$teamChannelMemberShips | Export-Csv -Path "team-channel-memberships.csv" -NoTypeInformation
Microsoft 365 Email Security Management Guide
Block Unwanted Emails
Objective: Prevent sending or receiving emails from specific external email addresses or domains.
Action: Navigate to the Tenant Allow/Block List in the Microsoft Security Center. Configure the settings to block specific email addresses or domains. For direct access, use this link: Tenant Allow/Block List.
Review Past Week of Sign-In History
Objective: Review sign-in history to identify any unusual user activity.
Action: Access the Azure portal’s sign-in history section. Specify the user of interest and examine their sign-in locations and activities. Access the portal here: Azure Sign-In History.
Published: February 7, 2023 | Last Modified: May 13, 2025