diff --git a/Update-StaffAD.ps1 b/Update-StaffAD.ps1
new file mode 100644
index 0000000..47024e8
--- /dev/null
+++ b/Update-StaffAD.ps1
@@ -0,0 +1,127 @@
+# Update-StaffAD.ps1
+# Reads Staff_Extract.csv and updates AD email addresses and account status.
+# Previews all changes before applying them.
+
+# --- Configuration ---
+$CsvPath = "C:\Scripts\Staff_Extract.csv"   # Update if needed
+
+# --- Import ---
+if (-not (Test-Path $CsvPath)) {
+    Write-Error "CSV not found: $CsvPath"
+    exit 1
+}
+
+$Staff = Import-Csv -Path $CsvPath
+$DisableStatuses = @("INAC", "LEFT")
+
+# --- Preview Phase ---
+$Changes = [System.Collections.Generic.List[PSCustomObject]]::new()
+
+Write-Host "`n=============================" -ForegroundColor Cyan
+Write-Host "  PREVIEW OF PLANNED CHANGES" -ForegroundColor Cyan
+Write-Host "=============================" -ForegroundColor Cyan
+
+foreach ($entry in $Staff) {
+    $payrollNo  = $entry.PAYROLL_REC_NO.Trim()
+    $status     = $entry.STAFF_STATUS.Trim()
+    $email      = $entry.E_MAIL.Trim()
+
+    # Find user in AD by EmployeeID
+    try {
+        $adUser = Get-ADUser -Filter "EmployeeID -eq '$payrollNo'" `
+                             -Properties EmployeeID, EmailAddress, Enabled, SamAccountName, DisplayName `
+                             -ErrorAction Stop
+    } catch {
+        continue
+    }
+
+    if (-not $adUser) {
+        continue
+    }
+
+    $planned = [PSCustomObject]@{
+        DisplayName      = $adUser.DisplayName
+        SamAccountName   = $adUser.SamAccountName
+        PayrollNo        = $payrollNo
+        Status           = $status
+        CurrentEmail     = $adUser.EmailAddress
+        NewEmail         = $email
+        CurrentEnabled   = $adUser.Enabled
+        WillDisable      = ($status -in $DisableStatuses) -and $adUser.Enabled
+        WillUpdateEmail  = ($adUser.EmailAddress -ne $email)
+    }
+
+    $Changes.Add($planned)
+
+    # Display the planned change
+    Write-Host "`n  User       : $($planned.DisplayName) ($($planned.SamAccountName))" -ForegroundColor White
+    Write-Host "  Payroll No : $payrollNo"
+    Write-Host "  Status     : $status"
+
+    if ($planned.WillUpdateEmail) {
+        Write-Host "  Email      : $($planned.CurrentEmail) --> $($planned.NewEmail)" -ForegroundColor Yellow
+    } else {
+        Write-Host "  Email      : No change ($email)"
+    }
+
+    if ($planned.WillDisable) {
+        Write-Host "  Account    : WILL BE DISABLED (status is $status)" -ForegroundColor Red
+    } elseif (-not $adUser.Enabled) {
+        Write-Host "  Account    : Already disabled - no change" -ForegroundColor DarkGray
+    } else {
+        Write-Host "  Account    : No change (active)"
+    }
+}
+
+# --- Summary ---
+$emailUpdates = ($Changes | Where-Object { $_.WillUpdateEmail }).Count
+$disables     = ($Changes | Where-Object { $_.WillDisable }).Count
+$noChanges    = ($Changes | Where-Object { -not $_.WillUpdateEmail -and -not $_.WillDisable }).Count
+
+Write-Host "`n=============================" -ForegroundColor Cyan
+Write-Host "  SUMMARY" -ForegroundColor Cyan
+Write-Host "=============================" -ForegroundColor Cyan
+Write-Host "  Users matched in AD : $($Changes.Count)"
+Write-Host "  Email updates       : $emailUpdates" -ForegroundColor Yellow
+Write-Host "  Accounts to disable : $disables" -ForegroundColor Red
+Write-Host "  No changes needed   : $noChanges"
+Write-Host ""
+
+if ($Changes.Count -eq 0) {
+    Write-Host "No matching AD users found. Exiting." -ForegroundColor Yellow
+    exit 0
+}
+
+# --- Confirmation ---
+$confirm = Read-Host "Do you want to apply these changes? (yes/no)"
+
+if ($confirm -ne "yes") {
+    Write-Host "`nAborted. No changes were made." -ForegroundColor Yellow
+    exit 0
+}
+
+# --- Apply Changes ---
+Write-Host "`n=============================" -ForegroundColor Cyan
+Write-Host "  APPLYING CHANGES" -ForegroundColor Cyan
+Write-Host "=============================" -ForegroundColor Cyan
+
+foreach ($change in $Changes) {
+    try {
+        $adUser = Get-ADUser -Identity $change.SamAccountName -Properties EmailAddress, Enabled
+
+        if ($change.WillUpdateEmail) {
+            Set-ADUser -Identity $change.SamAccountName -EmailAddress $change.NewEmail
+            Write-Host "  [OK] Updated email for $($change.DisplayName): $($change.NewEmail)" -ForegroundColor Green
+        }
+
+        if ($change.WillDisable) {
+            Disable-ADAccount -Identity $change.SamAccountName
+            Write-Host "  [OK] Disabled account for $($change.DisplayName) ($($change.Status))" -ForegroundColor Green
+        }
+
+    } catch {
+        Write-Host "  [ERROR] Failed to update $($change.DisplayName): $_" -ForegroundColor Red
+    }
+}
+
+Write-Host "`nDone." -ForegroundColor Cyan