diff --git a/Room Mailbox Usage report/RoomMailboxUsageReport.ps1 b/Room Mailbox Usage report/RoomMailboxUsageReport.ps1
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+<#
+=============================================================================================
+Name:           Get Office 365 Room Mailbox Usage Statistics Using PowerShell
+Description:    This script gives detailed information on all Office 365 room mailboxes usage
+Version:        2.0
+Website:        o365reports.com
+
+Script Highlights:
+~~~~~~~~~~~~~~~~~
+1.Automatically installs the MS Graph PowerShell module upon your confirmation when it is not available on your machine. 
+2.Also, you can execute this script with certificate-based authentication (CBA). 
+3.You can execute the script with an MFA-enabled account too. 
+4.Helps to filter details about online meetings alone.
+5.Gets meetings details by organizers.
+6.Helps to identify meeting scheduled for today.
+7.Further, this script is scheduler-friendly! Therefore, you can automate the report generation easily.
+8.The script generates 2 output file, one with detailed info and another with summary info.
+
+For detailed script execution: https://o365reports.com/2023/05/23/get-office-365-room-mailbox-usage-statistics-using-powershell/
+============================================================================================
+#>Param
+(
+    [switch]$OnlineMeetingOnly,
+    [switch]$ShowTodaysMeetingsOnly,
+    [String]$OrgEmailId,
+    [switch]$CreateSession,
+    [string]$TenantId,
+    [string]$ClientId,
+    [string]$CertificateThumbprint
+)
+
+Function Connect_MgGraph
+{
+ #Check for module installation
+ $Module=Get-Module -Name microsoft.graph -ListAvailable
+ if($Module.count -eq 0) 
+ { 
+  Write-Host Microsoft Graph PowerShell SDK is not available  -ForegroundColor yellow  
+  $Confirm= Read-Host Are you sure you want to install module? [Y] Yes [N] No 
+  if($Confirm -match "[yY]") 
+  { 
+   Write-host "Installing Microsoft Graph PowerShell module..."
+   Install-Module Microsoft.Graph -Repository PSGallery -Scope CurrentUser -AllowClobber -Force
+  }
+  else
+  {
+   Write-Host "Microsoft Graph PowerShell module is required to run this script. Please install module using Install-Module Microsoft.Graph cmdlet." 
+   Exit
+  }
+ }
+ #Disconnect Existing MgGraph session
+ if($CreateSession.IsPresent)
+ {
+  Disconnect-MgGraph
+ }
+
+ #Connecting to MgGraph beta
+ Select-MgProfile -Name beta
+ Write-Host Connecting to Microsoft Graph...
+ if(($TenantId -ne "") -and ($ClientId -ne "") -and ($CertificateThumbprint -ne ""))  
+ {  
+  Connect-MgGraph  -TenantId $TenantId -AppId $ClientId -CertificateThumbprint $CertificateThumbprint 
+ }
+ else
+ {
+  Connect-MgGraph -Scopes "Place.Read.All","User.Read.All","Calendars.Read","Calendars.Read.Shared"  
+ }
+}
+Connect_MgGraph
+
+$ExportCSV = ".\RoomMailboxUsageReport_$((Get-Date -format yyyy-MMM-dd-ddd` hh-mm-ss` tt).ToString()).csv"
+$ExportSummaryCSV=".\RoomMailboxUsageSummaryReport_$((Get-Date -format yyyy-MMM-dd-ddd` hh-mm-ss` tt).ToString()).csv"
+$ExportResult=""   
+$ExportSummary=""
+$startDate=(Get-date).AddDays(-30).Date
+$EndDate=(Get-date).AddDays(1).Date
+$MbCount=0
+$PrintedMeetings=0
+
+#Retrieving all room mailboxes
+Get-MgPlaceAsRoom -All | foreach {
+ $RoomAddress=$_.EmailAddress
+ $RoomName=$_.DisplayName
+ $MeetingCount=0
+ $Count++
+ $RoomUsage=0
+ $OnlineMeetingCount=0
+ $AllDayMeetingCount=0
+ 
+ Get-MgUserCalendarView  -UserId $RoomAddress -StartDateTime $startDate -EndDateTime $EndDate -All | foreach {
+  Write-Progress -Activity "`n     Processing room: $Count - $RoomAddress : Meeting Count - $MeetingCount"
+  if($_.IsCancelled -eq $false)
+  {
+   $Print=1
+   $MeetingCount++
+   $Organizer=$_.Organizer.EmailAddress.Address
+   $MeetingSubject=$_.Subject
+   $IsAllDayMeeting=$_.IsAllDay
+   $IsOnlineMeeting=$_.IsOnlineMeeting
+   if($IsOnlineMeeting -eq $true)
+   {
+    $OnlineMeetingCount++
+   }
+   if($IsAllDayMeeting -eq $true)
+   {
+    $AllDayMeetingCount++
+   }
+   $MeetingStartTimeZone=$_.OriginalStartTimeZone
+   $MeetingCreatedTime=$_.CreatedDateTime
+   $MeetingLastModifiedTime=$_.LastModifiedDateTime
+   [Datetime]$MeetingStart=$_.Start.DateTime
+   $MeetingStartTime=$MeetingStart.ToLocalTime()
+   [Datetime]$MeetingEnd=$_.End.DateTime
+   $MeetingEndTime=$MeetingEnd.ToLocalTime()
+   if($_.IsAllDay -eq $true)
+   {
+    $MeetingDuration="480"
+   }
+   else
+   { 
+    $MeetingDuration=($MeetingEndTime-$MeetingStartTime).TotalMinutes
+   }
+   $RoomUsage =$RoomUsage+$MeetingDuration
+   $ReqiredAttendees=(($_.Attendees | Where {$_.Type -eq "required"}).emailaddress | select -ExpandProperty Address) -join ","
+   $OptionalAttendees=(($_.Attendees | Where {$_.Type -eq "optional"}).emailaddress | select -ExpandProperty Address) -join ","
+   $AllAttendeesCount=(($_.Attendees | Where {$_.Type -ne "resource"}).emailaddress | Measure-Object).Count
+
+   #Filter for retrieving online meetings
+   if(($OnlineMeetingOnly.IsPresent) -and ($IsOnlineMeeting -eq $false))
+   {
+    $Print=0
+   }
+   #View meetings from a specific organizer
+   if(($OrgEmailId -ne "") -and ($OrgEmailId -ne $Organizer))
+   {
+    $Print=0
+   }
+   #Show Todays meetings only
+   if(($ShowTodaysMeetingsOnly.IsPresent) -and ($MeetingStartTime -lt (Get-Date).Date))
+   {
+    $Print=0
+   }
+
+   #Detailed Report
+   if($Print -eq 1)
+   {
+    $PrintedMeetings++
+    $ExportResult=[PSCustomObject]@{'Room Name'=$RoomName;'Organizer'=$Organizer;'Subject'=$MeetingSubject;'Start Time'=$MeetingStartTime;'End Time'=$MeetingEndTime;'Duration(in mins)'=$MeetingDuration;'TimeZone'=$MeetingStartTimeZone;'Total Attendees Count'=$AllAttendeesCount;'Required Attendees'=$ReqiredAttendees;'Optional Attendees'=$OptionalAttendees;'Is Online Meeting'=$IsOnlineMeeting;'Is AllDay Meeting'=$IsAllDayMeeting}
+    $ExportResult | Export-Csv -Path $ExportCSV -Notype -Append
+   }
+  }
+ }  
+ #Summary Report
+    $ExportSummary=[PSCustomObject]@{'Room Name'=$RoomName;'Total Meeting Count'=$MeetingCount;'Online Meeting Count'=$OnlineMeetingCount;'Usage Duration(in mins)'=$RoomUsage;'Full Day Meetings'=$AllDayMeetingCount}
+    $ExportSummary | Export-Csv -Path $ExportSummaryCSV -Notype -Append
+}
+
+#Open output file after execution
+Write-Host `nScript executed successfully
+if((Test-Path -Path $ExportCSV) -eq "True")
+{
+    Write-Host "Exported report has $PrintedMeetings meeting(s)" 
+    $Prompt = New-Object -ComObject wscript.shell
+    $UserInput = $Prompt.popup("Do you want to open output file?",` 0,"Open Output File",4)
+    if ($UserInput -eq 6)
+    {
+        Invoke-Item "$ExportCSV"
+        Invoke-Item "$ExportSummaryCSV"
+    }
+    Write-Host "Detailed report available in: $ExportCSV"
+    Write-Host "Summary report available in: $ExportSummaryCSV"
+}
+else
+{
+    Write-Host "No meetings found" -ForegroundColor Red
+}
+
+
+    
+
+   
+  
+
+
+ 
\ No newline at end of file