$group = Read-Host "Enter the group name"
Add-Type -AssemblyName System.Windows.Forms
$FileBrowser = New-Object System.Windows.Forms.SaveFileDialog -Property @{ 
    InitialDirectory = [Environment]::GetFolderPath('Desktop')
    FileName = $group
    Filter = 'CSV (*.csv)|*.csv'
}
$null = $FileBrowser.ShowDialog()
$list = @()
$users = Get-ADGroupMember $group -Recursive
$users2 = Get-ADGroupMember $group
ForEach ($user in $users) {
    $nested = "True"
    ForEach ($user2 in $users2) {
        If ($user.SID -eq $user2.SID) {$nested = "False"}
    }
    If ($user.objectClass.ToString() = "user") {
        Try {
            $aduser = get-aduser $user -Properties Enabled, EmailAddress
            $email = $aduser.EmailAddress
            $enabled = $aduser.Enabled.ToString()
        }
        Catch {
            $email = ""
            $enabled = ""
        }
        $Properties = [ordered]@{'Name'=$aduser.Name;'Email'=$email;'SamAccountName'=$user.SamAccountName;'Nested'=$nested;'Enabled'=$enabled;'Type'="user"}
        $list += New-Object -TypeName PSObject -Property $Properties
    }
    Else {
        $Properties = [ordered]@{'Name'=$user.Name;'Email'="";'SamAccountName'=$user.SamAccountName;'Nested'=$nested;'Enabled'="";'Type'=$user.objectClass.ToString()}
        $list += New-Object -TypeName PSObject -Property $Properties
    }
}
ForEach ($user2 in $users2) {
    If ($user2.objectClass -eq "group") {
        $Properties = [ordered]@{'Name'=$user2.Name;'Email'="";'SamAccountName'=$user2.SamAccountName;'Nested'="False";'Enabled'="";'Type'="group"}
        $list += New-Object -TypeName PSObject -Property $Properties
    }
}
$list | Sort Name | Export-Csv $FileBrowser.FileName -NoTypeInformation