diff --git a/Office 365 Mailbox Permissions Report/GetMailboxPermission.ps1 b/Office 365 Mailbox Permissions Report/GetMailboxPermission.ps1
new file mode 100644
index 0000000..fc1dbd4
--- /dev/null
+++ b/Office 365 Mailbox Permissions Report/GetMailboxPermission.ps1	
@@ -0,0 +1,273 @@
+#Accept input paramenters
+param(
+[switch]$FullAccess,
+[switch]$SendAs,
+[switch]$SendOnBehalf,
+[switch]$UserMailboxOnly,
+[switch]$AdminsOnly,
+[string]$MBNamesFile,
+[string]$UserName,
+[string]$Password,
+[switch]$MFA
+)
+
+
+function Print_Output
+{
+ #Get admin roles assigned to user 
+ if($RolesAssigned -eq "")
+ {
+   $Roles=(Get-MsolUserRole -UserPrincipalName $upn).Name 
+   if($Roles.count -eq 0) 
+   { 
+     $RolesAssigned="No roles" 
+   } 
+   else 
+   { 
+     foreach($Role in $Roles) 
+    { 
+      $RolesAssigned=$RolesAssigned+$Role 
+      if($Roles.indexof($role) -lt (($Roles.count)-1)) 
+      { 
+        $RolesAssigned=$RolesAssigned+"," 
+      } 
+    } 
+  } 
+ }
+ #Mailbox type based filter
+ if(($UserMailboxOnly.IsPresent) -and ($MBType -ne "UserMailbox"))
+ { 
+  $Print=0 
+ }
+
+ #Admin Role based filter
+ if(($AdminsOnly.IsPresent) -and ($RolesAssigned -eq "No roles"))
+ { 
+  $Print=0 
+ }
+
+ #Print Output
+ if($Print -eq 1)
+ {
+  $Result = @{'DisplayName'=$_.Displayname;'UserPrinciPalName'=$upn;'MailboxType'=$MBType;'AccessType'=$AccessType;'UserWithAccess'=$userwithAccess;'Roles'=$RolesAssigned} 
+  $Results = New-Object PSObject -Property $Result 
+  $Results |select-object DisplayName,UserPrinciPalName,MailboxType,AccessType,UserWithAccess,Roles | Export-Csv -Path $ExportCSV -Notype -Append 
+ }
+}
+
+#Getting Mailbox permission
+function Get_MBPermission
+ {
+  $upn=$_.UserPrincipalName
+  $DisplayName=$_.Displayname
+  $MBType=$_.RecipientTypeDetails
+  $Print=0
+  Write-Progress -Activity "`n     Processed mailbox count: $MBUserCount "`n"  Currently Processing: $DisplayName"
+
+  #Getting delegated Fullaccess permission for mailbox
+  if(($FilterPresent -eq 'False') -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)
+    {
+     $UserWithAccess=$UserWithAccess+$FullAccessPermission
+     if($FullAccessPermissions.indexof($FullAccessPermission) -lt (($FullAccessPermissions.count)-1))
+     {
+       $UserWithAccess=$UserWithAccess+","
+     }
+    }
+    Print_Output
+   }
+  }
+
+  #Getting delegated SendAs permission for mailbox
+  if(($FilterPresent -eq 'False') -or ($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)
+    {
+     $UserWithAccess=$UserWithAccess+$SendAsPermission
+     if($SendAsPermissions.indexof($SendAsPermission) -lt (($SendAsPermissions.count)-1))
+     {
+      $UserWithAccess=$UserWithAccess+","
+     }
+    }
+    Print_Output
+   }
+  }
+
+  #Getting delegated SendOnBehalf permission for mailbox
+   if(($FilterPresent -eq 'False') -or ($SendOnBehalf.IsPresent))
+   {
+    $SendOnBehalfPermissions=$_.GrantSendOnBehalfTo
+    if([string]$SendOnBehalfPermissions -ne "")
+    {
+     $Print=1
+     $UserWithAccess=""
+     $AccessType="SendOnBehalf"
+     foreach($SendOnBehalfPermissionDN in $SendOnBehalfPermissions)
+     {
+      $SendOnBehalfPermission=(Get-Mailbox -Identity $SendOnBehalfPermissionDN).UserPrincipalName
+      $UserWithAccess=$UserWithAccess+$SendOnBehalfPermission
+      if($SendOnBehalfPermissions.indexof($SendOnBehalfPermission) -lt (($SendOnBehalfPermissions.count)-1))
+      {
+       $UserWithAccess=$UserWithAccess+","
+      }
+     }
+     Print_Output
+    }
+   }
+ }
+
+
+
+function main{
+ #Connect AzureAD and Exchange Online from PowerShell
+ Get-PSSession | Remove-PSSession
+
+ #Check for MSOnline module
+ $Modules=Get-Module -Name MSOnline -ListAvailable 
+ if($Modules.count -eq 0)
+ {
+  Write-Host  Please install MSOnline module using below command: -ForegroundColor yellow 
+  Write-Host Install-Module MSOnline  
+  Exit
+ }
+ 
+ #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 : `nLink `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 "[yY]")
+   {
+     Write-Host Yes
+     Start-Process "iexplore.exe" "https://cmdletpswmodule.blob.core.windows.net/exopsmodule/Microsoft.Online.CSE.PSModule.Client.application"
+   }
+   else
+   {
+    Start-Process 'https://http://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 "[yY]")
+    {
+     $MFAExchangeModule = ((Get-ChildItem -Path $($env:LOCALAPPDATA+"\Apps\2.0\") -Filter CreateExoPSSession.ps1 -Recurse ).FullName | Select-Object -Last 1)
+     If ($MFAExchangeModule -eq $null)
+     {
+      Write-Host Exchange Online MFA module is not available -ForegroundColor red
+      Exit
+     }
+    }
+    else
+    { 
+     Write-Host Exchange Online PowerShell Module is required
+     Start-Process 'https://http://o365reports.com/2019/04/17/connect-exchange-online-using-mfa/'
+     Exit
+    }    
+   }
+ 
+  #Importing Exchange MFA Module
+  . "$MFAExchangeModule"
+  Write-Host Enter credential in prompt to connect to Exchange Online
+  Connect-EXOPSSession -WarningAction SilentlyContinue
+  Write-Host Connected to Exchange Online
+  Write-Host `nEnter credential in prompt to connect to MSOnline
+  #Importing MSOnline Module
+  Connect-MsolService | Out-Null
+  Write-Host Connected to MSOnline `n`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
+  }
+  Connect-MsolService -Credential $credential 
+  $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
+ $ExportCSV=".\MBPermission_$((Get-Date -format yyyy-MMM-dd-ddd` hh-mm` tt).ToString()).csv"
+ $Result="" 
+ $Results=@()
+ $MBUserCount=0
+ $RolesAssigned=""
+
+ #Check for AccessType filter
+ if(($FullAccess.IsPresent) -or ($SendAs.IsPresent) -or ($SendOnBehalf.IsPresent))
+ {}
+ else
+ {
+  $FilterPresent='False'
+ }
+
+ #Check for input file
+ if ($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{
+   $MBUserCount++
+   Get_MBPermission
+   }
+  }
+ }
+ #Getting all User mailbox
+ else
+ {
+  Get-mailbox -ResultSize Unlimited | Where{$_.DisplayName -notlike "Discovery Search Mailbox"} | foreach{
+   $MBUserCount++
+   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" 
+ $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 mailbox found that matches your criteria.
+}
+#Clean up session 
+Get-PSSession | Remove-PSSession
+}
+ . main
+ 
\ No newline at end of file
diff --git a/Office 365 Mailbox Permissions Report/Prerequisites.ps1 b/Office 365 Mailbox Permissions Report/Prerequisites.ps1
new file mode 100644
index 0000000..b92b930
--- /dev/null
+++ b/Office 365 Mailbox Permissions Report/Prerequisites.ps1	
@@ -0,0 +1,3 @@
+Set-ExecutionPolicy RemoteSigned
+Install-Module MSOnline
+Import-Module Msonline
\ No newline at end of file