Get-O365Group

Azure AD: Lists all groups in the tenant

Script

#Requires -Version 5.1
#Requires -Modules AzureAD

[CmdletBinding()]
Param(
    [string]$SearchString
)

Process {
    try {
        $groups = Get-AzureADGroup -All $true -SearchString $SearchString -ErrorAction Stop | Sort-Object -Property DisplayName

        if ($null -eq $groups -or $groups.Count -eq 0) {
            Write-Output "No groups found"
            return
        }

        foreach ($grp in $groups) {
            [PSCustomObject]@{
                Timestamp   = Get-Date -Format "yyyy-MM-dd HH:mm:ss"
                DisplayName = $grp.DisplayName
                Description = $grp.Description
                Mail        = $grp.Mail
                ObjectId    = $grp.ObjectId
                ObjectType  = $grp.ObjectType
            }
        }
    }
    catch { throw }
}

Customize

SearchString string

Optional string to filter groups by display name