Get-AllTeamsUsers.psm1
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function Get-AllTeamsUsers { <# .SYNOPSIS Retrieves all users from Microsoft Teams. .DESCRIPTION This function retrieves a list of all users from Microsoft Teams, including their group memberships. .NOTES Author: Eric Meinders Version: 1.0 #> [cmdletbinding(SupportsShouldProcess, ConfirmImpact = "High")] param() # Verify if the MicrosoftTeams module is installed, install if not BEGIN { try { Get-InstalledModule -Name MicrosoftTeams -ErrorAction Stop > $null } catch { Write-Warning "MicrosoftTeams module not found." if ($PScmdlet.ShouldProcess("MicrosoftTeams","Install-Module")) { Install-Module -Name MicrosoftTeams -Force } else { throw "MicrosoftTeams module required for function. Exiting." } } # Check if connected to Microsoft Teams, connect if not try { Get-CsTenant > $null } catch { Write-Verbose "Connecting to Microsoft 365" Connect-MicrosoftTeams } } PROCESS { # Retrieve all teams' group IDs and then get users for each group (Get-Team).GroupId | ForEach-Object { Get-TeamUser -GroupId $_ } | Sort-Object user -Unique } } |