diff --git a/office_365/Manage_Mailboxes b/office_365/Manage_Mailboxes
new file mode 100644
index 0000000..745e2f1
--- /dev/null
+++ b/office_365/Manage_Mailboxes
@@ -0,0 +1,286 @@
+# ================================
+# Exchange Online Mailbox Manager (MSP Edition)
+# ================================
+
+# Global Variables
+$global:Connected = $false
+$LogFile = "$PSScriptRoot\MailboxTool.log"
+
+# ================================
+# Logging
+# ================================
+function Write-Log {
+    param ($Message)
+    $time = Get-Date -Format "yyyy-MM-dd HH:mm:ss"
+    $entry = "$time - $Message"
+    Write-Host $entry
+    Add-Content -Path $LogFile -Value $entry
+}
+
+# ================================
+# Connection
+# ================================
+function Connect-EXO {
+    try {
+        Write-Host "Connecting to Exchange Online..." -ForegroundColor Cyan
+        Connect-ExchangeOnline -ShowBanner:$false
+        $global:Connected = $true
+        Write-Log "Connected to Exchange Online"
+    } catch {
+        Write-Log "Connection failed: $_"
+    }
+}
+
+function Disconnect-EXO {
+    Disconnect-ExchangeOnline -Confirm:$false
+    $global:Connected = $false
+    Write-Log "Disconnected from Exchange Online"
+}
+
+function Ensure-Connection {
+    if (-not $global:Connected) {
+        Write-Host "Not connected. Connecting now..." -ForegroundColor Yellow
+        Connect-EXO
+    }
+}
+
+# ================================
+# Helper: Convert Size to GB
+# ================================
+function Convert-ToGB {
+    param ($sizeString)
+
+    if ($sizeString -match "([\d\.]+)\sGB") {
+        return [math]::Round([double]$matches[1],2)
+    } elseif ($sizeString -match "([\d\.]+)\sMB") {
+        return [math]::Round(([double]$matches[1] / 1024),2)
+    } else {
+        return 0
+    }
+}
+
+# ================================
+# Mailbox Listing
+# ================================
+function Get-AllMailboxes {
+    Ensure-Connection
+    Get-Mailbox -ResultSize Unlimited | Select DisplayName, PrimarySmtpAddress
+}
+
+# ================================
+# Archive Management
+# ================================
+function Get-ArchiveEnabled {
+    Ensure-Connection
+    Get-Mailbox -ResultSize Unlimited |
+    Where-Object {$_.ArchiveStatus -eq "Active"} |
+    Select DisplayName, PrimarySmtpAddress, ArchiveStatus
+}
+
+function Get-ArchiveDisabled {
+    Ensure-Connection
+    Get-Mailbox -ResultSize Unlimited |
+    Where-Object {$_.ArchiveStatus -ne "Active"} |
+    Select DisplayName, PrimarySmtpAddress, ArchiveStatus
+}
+
+function Check-ArchiveSingle {
+    Ensure-Connection
+    $user = Read-Host "Enter email"
+    $mb = Get-Mailbox -Identity $user
+    Write-Host "`nArchive Status: $($mb.ArchiveStatus)" -ForegroundColor Green
+}
+
+function Enable-ArchiveSingle {
+    Ensure-Connection
+    $user = Read-Host "Enter email"
+    Enable-Mailbox -Identity $user -Archive
+    Write-Log "Archive enabled for $user"
+}
+
+function Disable-ArchiveSingle {
+    Ensure-Connection
+    $user = Read-Host "Enter email"
+    Disable-Mailbox -Identity $user -Archive
+    Write-Log "Archive disabled for $user"
+}
+
+# ================================
+# Bulk Operations
+# ================================
+function Bulk-Enable-Archive {
+    Ensure-Connection
+    $file = Read-Host "Enter CSV path (column: UserPrincipalName)"
+    $users = Import-Csv $file
+
+    foreach ($u in $users) {
+        try {
+            Enable-Mailbox -Identity $u.UserPrincipalName -Archive
+            Write-Log "Enabled archive: $($u.UserPrincipalName)"
+        } catch {
+            Write-Log "Failed: $($u.UserPrincipalName) - $_"
+        }
+    }
+}
+
+# ================================
+# Mailbox + Archive Size Report
+# ================================
+function Get-MailboxFullSizeReport {
+    Ensure-Connection
+
+    Write-Host "Fetching mailbox + archive sizes..." -ForegroundColor Cyan
+
+    $results = @()
+    $mailboxes = Get-Mailbox -ResultSize Unlimited
+
+    foreach ($mb in $mailboxes) {
+        try {
+            $primaryStats = Get-MailboxStatistics -Identity $mb.PrimarySmtpAddress
+
+            $primarySizeGB = Convert-ToGB $primaryStats.TotalItemSize.ToString()
+
+            $archiveSizeGB = 0
+            $archiveStatus = $mb.ArchiveStatus
+
+            try {
+                $archiveStats = Get-MailboxStatistics -Identity $mb.PrimarySmtpAddress -Archive -ErrorAction Stop
+                $archiveSizeGB = Convert-ToGB $archiveStats.TotalItemSize.ToString()
+            } catch {
+                $archiveSizeGB = 0
+            }
+
+            # Detect Issues
+            $status = "OK"
+            if ($primarySizeGB -gt 80 -and $archiveStatus -ne "Active") {
+                $status = "⚠ No Archive + Large Mailbox"
+            } elseif ($archiveStatus -eq "Active" -and $archiveSizeGB -lt 1) {
+                $status = "⚠ Archive Enabled but Not Used"
+            }
+
+            $results += [PSCustomObject]@{
+                DisplayName   = $mb.DisplayName
+                Email         = $mb.PrimarySmtpAddress
+                PrimaryGB     = $primarySizeGB
+                ArchiveGB     = $archiveSizeGB
+                ArchiveStatus = $archiveStatus
+                HealthStatus  = $status
+            }
+
+        } catch {
+            Write-Log "Failed: $($mb.PrimarySmtpAddress) - $_"
+        }
+    }
+
+    return $results
+}
+
+# ================================
+# Export Report
+# ================================
+function Export-MailboxFullReport {
+    $path = "$PSScriptRoot\MailboxFullReport.csv"
+    Get-MailboxFullSizeReport | Export-Csv $path -NoTypeInformation
+    Write-Host "Report exported to $path" -ForegroundColor Green
+}
+
+# ================================
+# Menu System
+# ================================
+function Show-MainMenu {
+    Clear-Host
+    Write-Host "========================================" -ForegroundColor Cyan
+    Write-Host " Exchange Online Mailbox Tool (MSP)"
+    Write-Host "========================================"
+    Write-Host "1. Connect"
+    Write-Host "2. List Mailboxes"
+    Write-Host "3. Archive Management"
+    Write-Host "4. Reports"
+    Write-Host "5. Bulk Operations"
+    Write-Host "6. Disconnect"
+    Write-Host "0. Exit"
+}
+
+function Show-ArchiveMenu {
+    Write-Host "`n--- Archive Management ---"
+    Write-Host "1. List Enabled"
+    Write-Host "2. List Disabled"
+    Write-Host "3. Check User"
+    Write-Host "4. Enable Archive"
+    Write-Host "5. Disable Archive"
+    Write-Host "0. Back"
+}
+
+function Show-ReportMenu {
+    Write-Host "`n--- Reports ---"
+    Write-Host "1. Mailbox + Archive Size Report"
+    Write-Host "2. Export Full Report"
+    Write-Host "0. Back"
+}
+
+function Show-BulkMenu {
+    Write-Host "`n--- Bulk ---"
+    Write-Host "1. Bulk Enable Archive"
+    Write-Host "0. Back"
+}
+
+# ================================
+# Main Loop
+# ================================
+do {
+    Show-MainMenu
+    $choice = Read-Host "Select option"
+
+    switch ($choice) {
+
+        1 { Connect-EXO }
+
+        2 { Get-AllMailboxes | Format-Table }
+
+        3 {
+            do {
+                Show-ArchiveMenu
+                $a = Read-Host "Select option"
+
+                switch ($a) {
+                    1 { Get-ArchiveEnabled | Format-Table }
+                    2 { Get-ArchiveDisabled | Format-Table }
+                    3 { Check-ArchiveSingle }
+                    4 { Enable-ArchiveSingle }
+                    5 { Disable-ArchiveSingle }
+                }
+            } while ($a -ne 0)
+        }
+
+        4 {
+            do {
+                Show-ReportMenu
+                $r = Read-Host "Select option"
+
+                switch ($r) {
+                    1 { Get-MailboxFullSizeReport | Format-Table -AutoSize }
+                    2 { Export-MailboxFullReport }
+                }
+            } while ($r -ne 0)
+        }
+
+        5 {
+            do {
+                Show-BulkMenu
+                $b = Read-Host "Select option"
+
+                switch ($b) {
+                    1 { Bulk-Enable-Archive }
+                }
+            } while ($b -ne 0)
+        }
+
+        6 { Disconnect-EXO }
+
+    }
+
+    Pause
+
+} while ($choice -ne 0)
+
+Write-Host "Exiting..." -ForegroundColor Yellow
\ No newline at end of file