diff --git a/Office 365 Shared Mailbox Permission Report/GetSharedMailboxPermissions.ps1 b/Office 365 Shared Mailbox Permission Report/GetSharedMailboxPermissions.ps1
new file mode 100644
index 0000000..a394245
--- /dev/null
+++ b/Office 365 Shared Mailbox Permission Report/GetSharedMailboxPermissions.ps1	
@@ -0,0 +1,238 @@
+#Accept input paramenters 
+param( 
+[switch]$FullAccess, 
+[switch]$SendAs, 
+[switch]$SendOnBehalf,
+[string]$MBNamesFile, 
+[string]$UserName, 
+[string]$Password, 
+[switch]$MFA 
+) 
+ 
+ 
+function Print_Output 
+{  
+ #Print Output 
+ if($Print -eq 1) 
+ { 
+  $Result = @{'Display Name'=$_.Displayname;'User PrinciPal Name'=$upn;'Primary SMTP Address'=$PrimarySMTPAddress;'Access Type'=$AccessType;'User With Access'=$userwithAccess;'Email Aliases'=$EmailAlias}  
+  $Results = New-Object PSObject -Property $Result  
+  $Results |select-object 'Display Name','User PrinciPal Name','Primary SMTP Address','Access Type','User With Access','Email Aliases' | Export-Csv -Path $ExportCSV -Notype -Append  
+ } 
+} 
+ 
+#Getting Mailbox permission 
+function Get_MBPermission 
+{ 
+ $upn=$_.UserPrincipalName
+ $DisplayName=$_.Displayname 
+ $MBType=$_.RecipientTypeDetails 
+ $PrimarySMTPAddress=$_.PrimarySMTPAddress
+ $EmailAddresses=$_.EmailAddresses
+ $EmailAlias=""
+ foreach($EmailAddress in $EmailAddresses)
+ {
+  if($EmailAddress -clike "smtp:*")
+  {
+   if($EmailAlias -ne "")
+   {
+    $EmailAlias=$EmailAlias+","
+   }
+   $EmailAlias=$EmailAlias+($EmailAddress -Split ":" | Select-Object -Last 1 )
+  }
+ }
+ $Print=0 
+ Write-Progress -Activity "`n     Processed mailbox count: $SharedMBCount "`n"  Currently Processing: $DisplayName" 
+
+ #Getting delegated Fullaccess permission for mailbox 
+ if(($FilterPresent -ne $true) -or ($FullAccess.IsPresent)) 
+ { 
+  $FullAccessPermissions=(Get-MailboxPermission -Identity $upn | where { ($_.AccessRights -contains "FullAccess") -and ($_.IsInherited -eq $false) -and -not ($_.User -match "NT AUTHORITY" -or $_.User -match "S-1-5-21") }).User 
+  if([string]$FullAccessPermissions -ne "") 
+  { 
+   $Print=1 
+   $UserWithAccess="" 
+   $AccessType="FullAccess" 
+   foreach($FullAccessPermission in $FullAccessPermissions) 
+   { 
+    if($UserWithAccess -ne "")
+    {
+     $UserWithAccess=$UserWithAccess+","
+    }
+    $UserWithAccess=$UserWithAccess+$FullAccessPermission 
+   } 
+   Print_Output 
+  } 
+ } 
+ 
+ #Getting delegated SendAs permission for mailbox 
+ if(($FilterPresent -ne $true) -or ($SendAs.IsPresent)) 
+ { 
+  $SendAsPermissions=(Get-RecipientPermission -Identity $upn | where{ -not (($_.Trustee -match "NT AUTHORITY") -or ($_.Trustee -match "S-1-5-21"))}).Trustee 
+  if([string]$SendAsPermissions -ne "") 
+  { 
+   $Print=1 
+   $UserWithAccess="" 
+   $AccessType="SendAs" 
+   foreach($SendAsPermission in $SendAsPermissions) 
+   { 
+    if($UserWithAccess -ne "")
+    {
+     $UserWithAccess=$UserWithAccess+","
+    }
+    $UserWithAccess=$UserWithAccess+$SendAsPermission 
+   } 
+   Print_Output 
+  } 
+ } 
+ 
+ #Getting delegated SendOnBehalf permission for mailbox 
+ if(($FilterPresent -ne $true) -or ($SendOnBehalf.IsPresent)) 
+ { 
+  $SendOnBehalfPermissions=$_.GrantSendOnBehalfTo 
+  if([string]$SendOnBehalfPermissions -ne "") 
+  { 
+   $Print=1 
+   $UserWithAccess="" 
+   $AccessType="SendOnBehalf" 
+   foreach($SendOnBehalfPermissionDN in $SendOnBehalfPermissions) 
+   { 
+    if($UserWithAccess -ne "")
+    {
+     $UserWithAccess=$UserWithAccess+","
+    }
+    #$SendOnBehalfPermission=(Get-Mailbox -Identity $SendOnBehalfPermissionDN).UserPrincipalName
+    $UserWithAccess=$UserWithAccess+$SendOnBehalfPermissionDN 
+   } 
+   Print_Output 
+  } 
+ } 
+} 
+ 
+function main{ 
+ #Connect AzureAD and Exchange Online from PowerShell 
+ Get-PSSession | Remove-PSSession 
+ 
+ #Authentication using MFA 
+ if($MFA.IsPresent) 
+ { 
+  $MFAExchangeModule = ((Get-ChildItem -Path $($env:LOCALAPPDATA+"\Apps\2.0\") -Filter CreateExoPSSession.ps1 -Recurse ).FullName | Select-Object -Last 1) 
+  If ($MFAExchangeModule -eq $null) 
+  { 
+   Write-Host  `nPlease install Exchange Online MFA Module.  -ForegroundColor yellow 
+   Write-Host You can install module using below blog :https://o365reports.com/2019/04/17/connect-exchange-online-using-mfa/ `n `nOR you can install module directly by entering "Y"`n 
+   $Confirm= Read-Host Are you sure you want to install module directly? [Y] Yes [N] No 
+   if($Confirm -match "[y]") 
+   { 
+    Write-Host Yes 
+    Start-Process "iexplore.exe" "https://cmdletpswmodule.blob.core.windows.net/exopsmodule/Microsoft.Online.CSE.PSModule.Client.application" 
+   } 
+   else 
+   { 
+    Start-Process 'https://o365reports.com/2019/04/17/connect-exchange-online-using-mfa/' 
+    Exit 
+   } 
+   $Confirmation= Read-Host Have you installed Exchange Online MFA Module? [Y] Yes [N] No 
+    
+   if($Confirmation -match "[y]") 
+   { 
+    $MFAExchangeModule = ((Get-ChildItem -Path $($env:LOCALAPPDATA+"\Apps\2.0\") -Filter CreateExoPSSession.ps1 -Recurse ).FullName | Select-Object -Last 1) 
+    If ($MFAExchangeModule -eq $null) 
+    { 
+     Write-Host Exchange Online MFA module is not available -ForegroundColor red 
+     Exit 
+    } 
+   } 
+   else 
+   {  
+    Write-Host Exchange Online PowerShell Module is required 
+    Start-Process 'https://o365reports.com/2019/04/17/connect-exchange-online-using-mfa/' 
+    Exit 
+   }     
+  } 
+  
+  #Importing Exchange MFA Module 
+  . "$MFAExchangeModule" 
+  Connect-EXOPSSession -WarningAction SilentlyContinue 
+  Write-Host `nReport generation in progress... 
+ } 
+
+ #Authentication using non-MFA 
+ else 
+ { 
+  #Storing credential in script for scheduling purpose/ Passing credential as parameter 
+  if(($UserName -ne "") -and ($Password -ne "")) 
+  { 
+   $SecuredPassword = ConvertTo-SecureString -AsPlainText $Password -Force 
+   $Credential  = New-Object System.Management.Automation.PSCredential $UserName,$SecuredPassword 
+  } 
+  else 
+  { 
+   $Credential=Get-Credential -Credential $null 
+  }  
+  $Session = New-PSSession -ConfigurationName Microsoft.Exchange -ConnectionUri https://outlook.office365.com/powershell-liveid/ -Credential $Credential -Authentication Basic -AllowRedirection 
+  Import-PSSession $Session -CommandName Get-Mailbox,Get-MailboxPermission,Get-RecipientPermission -FormatTypeName * -AllowClobber | Out-Null 
+ } 
+ 
+ #Set output file 
+ $ExportCSV=".\SharedMBPermissionReport_$((Get-Date -format yyyy-MMM-dd-ddd` hh-mm` tt).ToString()).csv" 
+ $Result=""  
+ $Results=@() 
+ $SharedMBCount=0 
+ $RolesAssigned="" 
+ 
+ #Check for AccessType filter 
+ if(($FullAccess.IsPresent) -or ($SendAs.IsPresent) -or ($SendOnBehalf.IsPresent))
+ {
+  $FilterPresent=$true
+ } 
+ 
+ #Check for input file 
+ if ($MBNamesFile -ne "")  
+ {  
+  #We have an input file, read it into memory  
+  $MBs=@() 
+  $MBs=Import-Csv -Header "DisplayName" $MBNamesFile 
+  foreach($item in $MBs) 
+  { 
+   Get-Mailbox -Identity $item.displayname | Foreach{ 
+   if($_.RecipientTypeDetails -ne 'SharedMailbox')
+   {
+     Write-Host $_.UserPrincipalName is not a shared mailbox -ForegroundColor Red
+     continue
+   }
+   $SharedMBCount++ 
+   Get_MBPermission 
+   } 
+  } 
+ } 
+ #Getting all User mailbox 
+ else 
+ { 
+  Get-mailbox -RecipientTypeDetails Shared -ResultSize Unlimited | foreach{ 
+   $SharedMBCount++ 
+   Get_MBPermission} 
+ } 
+ 
+  
+ #Open output file after execution  
+ Write-Host `nScript executed successfully 
+ if((Test-Path -Path $ExportCSV) -eq "True") 
+ { 
+  Write-Host "Detailed report available in: $ExportCSV"  -ForegroundColor Green
+  $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"   
+  }  
+ } 
+ Else 
+ { 
+  Write-Host No shared mailbox found that matches your criteria. 
+ } 
+#Clean up session  
+Get-PSSession | Remove-PSSession 
+} 
+ . main 
\ No newline at end of file