Export all the users with no birthday value set in the Profile using Microsoft 365 CLI

exportnobirthdayusers.ps1

$outputfilepath = "< OUTPUT PATH WITH FILENAME.csv >"

Write-host 'ensure logged in'
$m365Status = m365 status
if ($m365Status -eq "Logged Out") {
    m365 login
}

# Fetch all AAD users from Microsoft 365
$allusers = m365 aad user list --properties 'displayName,userPrincipalName,accountEnabled' -o json | ConvertFrom-Json
$NoBirthdayUsers = @()

foreach ($user in $allusers) {
    $userprofile = m365 aad user get --userName $user.userPrincipalName --properties birthday -o json | ConvertFrom-Json
    $userbd = Get-Date $userprofile.birthday
    If ($nulldate -eq $userbd) { 
        Write-Host $user.displayName 'Birthday not set!' 
        $userObject = New-Object -TypeName PSObject
        $userObject | Add-Member -MemberType NoteProperty -Name 'Display Name' -Value $user.displayName
        $userObject | Add-Member -MemberType NoteProperty -Name 'User Principal Name' -Value $user.userPrincipalName
        $userObject | Add-Member -MemberType NoteProperty -Name 'Account Enabled' -Value $user.accountEnabled
        $NoBirthdayUsers += $userObject
    }
    else { 
        Write-Host $user.displayName 'Birthday set!'
    }
}


###
$NoBirthdayUsers | Export-Csv -Path $outputfilepath -NoTypeInformation
Write-Host 'Complete'