Si aun no se instala el modulo MSOnline se debe instalar ejecutando el powershell como administrador

Install-Module -Name MSOnline


Iniciar el Modulo siempre en powershell como administrador

Connect-MsolService



Correr el siguiente código en powershell como administrador, para extraer los usarios del MO365 y el estado con el MFA

<#

.SYNOPSIS

Office365 MFA Report

.DESCRIPTION

This script is used to report on all users MFA status in Office365. The following properties are exported 

DisplayName, UPN, AssingedLicence, Licensed, DefaultMethod, MFA Enabled

.EXAMPLE

.\Office365_MFA_Report.ps1 -ExportPath C:\Temp\

#>

param(

    [parameter(Mandatory)]

    [String]$ExportPath 

    ) 


## Import user list

$users = Get-MsolUser -All


## Set result array

$results = @()

foreach ($user in $Users){


## Get user properties

Write-Host "Checking $($user.UserPrincipalName) For strong authenticaiton" -ForegroundColor Green

if($user.StrongAuthenticationMethods){

Write-Host "Authentication Method found for  $($user.UserPrincipalName)" -ForegroundColor Yellow


## Create report hash table

$props = @{

DisplayName = $user.DisplayName

UPN = $user.UserPrincipalName

PhoneNumber = $user.StrongAuthenticationUserDetails.PhoneNumber

"MFA Enabled" = "True"

DefaultMethod = $user.StrongAuthenticationMethods | Where-Object {$_.IsDefault -eq "True"} | Select-Object MethodType -ExpandProperty MethodType

Licensed  = $user.IsLicensed

AssingedLicence = if($user.Licenses.AccountSkuId){$user.Licenses.AccountSkuId -join ","} else {"No Licence Assigned"}

}


## Create result object

$results += New-Object PSObject -Property $props

    }


else {

Write-Host "No Authentication Method found on $($user.UserPrincipalName)" -ForegroundColor red


## Create report hash table

$props = @{

DisplayName = $user.DisplayName

UPN = $user.UserPrincipalName

PhoneNumber = "N/A"

"MFA Enabled" = "False"

DefaultMethod = "N/A"

Licensed  = $user.IsLicensed

AssingedLicence = if($user.Licenses.AccountSkuId){$user.Licenses.AccountSkuId -join ","} else {"No Licence Assigned"}

}


## Create result object

$results += New-Object PSObject -Property $props

        }

    }


## Export results

$results | Select-Object DisplayName,UPN,PhoneNumber,"MFA Enabled",DefaultMethod,Licensed,AssingedLicence | 

Export-Csv "$ExportPath\MFA_User_Report.csv" -NoTypeInformation