diff --git a/Get Nested Distribution List Membership Report/GetNestedDistributionGroupMembers.ps1 b/Get Nested Distribution List Membership Report/GetNestedDistributionGroupMembers.ps1
new file mode 100644
index 0000000..5dc5b02
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+++ b/Get Nested Distribution List Membership Report/GetNestedDistributionGroupMembers.ps1	
@@ -0,0 +1,208 @@
+<#
+=============================================================================================
+Name:           Export Office 365 nested distribution group members report
+Description:    This script exports Office 365 nested distribution list members to CSV file
+website:        m365scripts.com
+Script by:      m365scripts Team
+For detailed Script execution: https://m365scripts.com/exchange-online/export-office-365-nested-distribution-group-members-using-powershell/
+============================================================================================
+#>
+
+
+#PARAMETERS
+param ( 
+[string] $UserName = $null, 
+[String] $Password = $null
+)
+
+#Check for ExchangeOnline module availability
+$Exchange = (Get-Module ExchangeOnlineManagement -ListAvailable).Name
+if ($Exchange -eq $null)
+{
+ Write-Host "Important: ExchangeOnline PowerShell module is unavailable. It is mandatory to have this module installed in the system to run the script successfully."  
+ $Confirm = Read-Host Are you sure you want to install module? [Y] Yes [N] No  
+ if ($Confirm -match "[yY]") 
+ { 
+  Write-Host "Installing ExchangeOnlineManagement" -ForegroundColor Magenta
+  Install-Module ExchangeOnlineManagement -Repository PSGallery -AllowClobber -Force
+  Import-Module ExchangeOnlineManagement 
+  Write-Host "ExchangeOnline PowerShell module is installed in the machine successfully." -ForegroundColor Green
+ }
+ else
+ { 
+  Write-Host "Exiting. `nNote: ExchangeOnline PowerShell module must be available in your system to run the script." 
+  Exit 
+ }
+}
+
+
+#Connecting to ExchangeOnline .......
+Write-Host "Connecting to ExchangeOnline..." -ForegroundColor Cyan
+if(($UserName -ne "") -and ($Password -ne ""))
+{
+ $SecuredPassword = ConvertTo-SecureString -AsPlainText $Password -Force
+ $Credential  = New-Object System.Management.Automation.PSCredential $UserName,$SecuredPassword
+ Connect-ExchangeOnline -Credential $Credential
+}
+else
+{
+ Connect-ExchangeOnline
+}
+
+
+
+#Get nested distribution group member
+Write-Host "Getting nested distribution groups and its members ...."
+$OutputCsv2=".\NestedDistributionGroupMembersSummaryList_$((Get-Date -format MMM-dd` hh-mm` tt).ToString()).csv"
+$OutputCsv1=".\NestedDistributionGroupMembersDetailInfo_$((Get-Date -format MMM-dd` hh-mm` tt).ToString()).csv"
+$DistributionGroupCount = 0
+$Global:GroupWithNestedGroupCount = 0
+$Global:NestedLevel = 0
+
+#Functions for ExportCSV file
+Function ExportCSV1
+{ 
+  if($Global:NestedDistributionGroup.Count -ne 0)
+  {
+   $Global:GroupWithNestedGroupCount++
+   $DistributionGroupSummaryDetails = @{'DL Name'= $DistributionGroupName; 'No Of Nested Groups'= $Global:NestedDistributionGroup.Count;'Total Members' = $Global:TotalGroupMembers.Count; 'Nested Distribution Group'=$Global:NestedDistributionGroup -join ', ' ;'Group Members'= if($Global:TotalGroupMembers.count -eq 0){"-"}else{ $Global:TotalGroupMembers -join', '}; 'Group Members ID'= if($Global:TotalGroupMembersUPN.count -eq 0){"-"}else{ $Global:TotalGroupMembersUPN -join ', '}}
+   $ExportGroupdetails1 = New-Object PSObject -Property $DistributionGroupSummaryDetails
+   $ExportGroupdetails1 | Select-Object 'DL Name','No Of Nested Groups','Total Members','Nested Distribution Group','Group Members','Group Members ID' | Export-Csv -path $OutputCsv1 -NoType -Append
+  }
+}
+function ExportCSV2
+{
+  $DistributionGroupDetailInfo = @{'DL Name'= $DistributionGroupName; 'Nested DL Name'= $_.DisplayName; 'No of Members in Nested Group'= $NestedDistribtionGroupMembers.Count ; 'Nested Group Members' = if($NestedDistribtionGroupMembers.count -eq 0){"-"} else{$NestedDistribtionGroupMembers.DisplayName -join ', '}; 'Nested Group Members ID' = if($NestedDistribtionGroupMembersUPN.count -eq 0){"-"}else{$NestedDistribtionGroupMembersUPN -join ', '}}
+  $ExportGroupdetails2   = New-Object PSObject -Property $DistributionGroupDetailInfo
+  $ExportGroupdetails2 | Select-Object 'DL Name','Nested DL Name','No of Members in Nested Group','Nested Group Members','Nested Group Members ID' | Export-Csv -path $OutputCsv2 -NoType -Append
+}
+
+
+#Function for getting nested distribution group and its members
+function NestedDistribution ($NestedDistribtionGroups) 
+{
+ $Global:NestedLevel++
+ $DisplayName = $_.DisplayName
+ $NestedDistribtionGroups | ForEach-Object {
+   if($_.RecipientType -eq "MailUniversalDistributionGroup" -or $_.RecipientType -eq "MailUniversalSecurityGroup")
+   { 
+    $NestedDistribtionGroupMembers = @()
+    $NestedDistribtionGroupMemberUPN = @()
+    $NestedDistribtionGroupMembersUPN = @()
+    $Global:NestedDistributionGroup += $_.DisplayName
+    $NestedDistribtionGroupMembers += ( Get-DistributionGroupMember -Identity $_.Name -ResultSize unlimited )
+    $NestedDistribtionGroupMember = ($NestedDistribtionGroupMembers | Where{$_.RecipientType -ne "MailUniversalDistributionGroup" -and $_.RecipientType -ne "MailUniversalSecurityGroup"}).Displayname
+    $NestedDistribtionGroupMembers| foreach {
+
+     if($_.PrimarySmtpAddress -ne "")
+     {  
+      if($_.RecipientType -ne "MailUniversalDistributionGroup" -and $_.RecipientType -ne "MailUniversalSecurityGroup")
+      {
+       $NestedDistribtionGroupMemberUPN += $_.PrimarySmtpAddress
+      } 
+       $NestedDistribtionGroupMembersUPN += $_.PrimarySmtpAddress
+     }
+     if($_.PrimarySmtpAddress -eq "")
+     {
+       if($_.RecipientType -ne "MailUniversalDistributionGroup" -and $_.RecipientType -ne "MailUniversalSecurityGroup")
+       {
+        $NestedDistribtionGroupMemberUPN += $_.WindowsLiveID
+       }
+       $NestedDistribtionGroupMembersUPN += $_.WindowsLiveID
+     }
+    }
+    if($NestedDistribtionGroupMember.Count -ne 0)
+    {
+     $Global:TotalGroupMembers += $NestedDistribtionGroupMember
+     $Global:TotalGroupMembersUPN += $NestedDistribtionGroupMemberUPN
+    }                                                            
+    #Export output with detailed info.
+    if($Global:NestedLevel -eq 1)
+    {
+     ExportCSV2
+    }
+
+    #Avoid infinite loop
+    if($DisplayName -notin $NestedDistribtionGroupMembers.DisplayName)
+    { 
+     NestedDistribution -NestedDistribtionGroups $NestedDistribtionGroupMembers | Where{$_.RecipientType -eq "MailUniversalDistributionGroup" -or $_.RecipientType -eq "MailUniversalSecurityGroup"}
+    }
+   }
+ }
+ $Global:NestedLevel--
+}
+
+
+Get-DistributionGroup -ResultSize unlimited | ForEach-Object {
+ 
+ $Global:TotalGroupMembers = @()
+ $Global:TotalGroupMembersUPN = @()
+ $Global:NestedDistributionGroup = @()
+ $DistributionGroupName = $_.DisplayName
+ $DistributionGroupCount++
+ Write-Progress -Activity "Processed DistributionGroup Count : $DistributionGroupCount" "Currently Processing Distribution Group : $DistributionGroupName"
+ $GroupMember = Get-DistributionGroupMember -Identity $_.Name -ResultSize unlimited
+ NestedDistribution -NestedDistribtionGroups $GroupMember | Where{$_.RecipientType -eq "MailUniversalDistributionGroup" -or $_.RecipientType -eq "MailUniversalSecurityGroup"}
+ $Global:NestedDistributionGroup = ($Global:NestedDistributionGroup -split ',' | Select-Object -Unique )
+ $GroupMember = $GroupMember | Where{$_.RecipientType -ne "MailUniversalDistributionGroup" -and $_.RecipientType -ne "MailUniversalSecurityGroup"}
+ if($GroupMember.count -ne 0)
+ {
+  $Global:TotalGroupMembers = (($Global:TotalGroupMembers + ($GroupMember).DisplayName) -split ',' | Select-Object -Unique)
+   
+  $GroupMember | foreach {
+   if($_.PrimarySmtpAddress -ne "")
+   {
+     $Global:TotalGroupMembersUPN += $_.PrimarySmtpAddress
+   }
+   if($_.PrimarySmtpAddress -eq "")
+   {
+     $Global:TotalGroupMembersUPN += $_.WindowsLiveID
+   }
+  }
+  $Global:TotalGroupMembersUPN = (($Global:TotalGroupMembersUPN) -split ',' | Select-Object -Unique)
+ }
+ else 
+ {
+  $Global:TotalGroupMembers = $Global:TotalGroupMembers -split ',' | Select-Object -Unique
+  $Global:TotalGroupMembersUPN = $Global:TotalGroupMembersUPN -split ',' | Select-Object -Unique
+ }
+ #Export output with summary details.
+ ExportCSV1
+ 
+}
+
+
+
+#Open output file after execution 
+if($DistributionGroupCount -eq 0)
+{
+ Write-Host "No distribution group found in this organization"
+}
+else
+{
+ Write-Host "$DistributionGroupCount Distribution group found in this organization"
+ if($Global:GroupWithNestedGroupCount -ne 0)
+ {
+  Write-Host "$Global:GroupWithNestedGroupCount Distribution group found with nested group"
+  if((Test-Path -Path $OutputCsv1) -eq "True" -and (Test-Path -Path $OutputCsv2) -eq "True") 
+  {
+   Write-Host "The output files are available in the current working directory"
+   Write-Host "The Summary report name  : $OutputCsv2" -ForegroundColor Green 
+   Write-Host "The Detailed report name : $OutputCsv1" -ForegroundColor Green
+   $Prompt = New-Object -ComObject wscript.shell    
+   $UserInput = $Prompt.popup("Do you want to open output files?",` 0,"Open Output Files",4)    
+   if ($UserInput -eq 6)    
+   {    
+    Invoke-Item "$OutputCSV1" 
+    Invoke-Item "$OutputCSV2"   
+   }  
+  } 
+ }
+ else
+ {
+  Write-Host "But no distribution group found with nested group"
+ }
+}
+
+#Clean up session
+Get-PSSession | Remove-PSSession
\ No newline at end of file