diff --git a/Audit SPO Group Membership Changes/AuditSPOGroupMembershipChanges.ps1 b/Audit SPO Group Membership Changes/AuditSPOGroupMembershipChanges.ps1
new file mode 100644
index 0000000..39d6436
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+++ b/Audit SPO Group Membership Changes/AuditSPOGroupMembershipChanges.ps1	
@@ -0,0 +1,258 @@
+<#
+=============================================================================================
+Name:           Audit SharePoint Online group membership changes report
+Website:        o365reports.com
+For detailed script execution:  https://o365reports.com/2022/06/22/audit-sharepoint-online-group-membership-changes-using-powershell
+============================================================================================
+#>
+Param
+(
+    [Parameter(Mandatory = $false)]
+    [Nullable[DateTime]]$StartDate,
+    [Nullable[DateTime]]$EndDate,
+    [switch]$SharePointOnly,
+    [switch]$OneDriveOnly,
+    [switch]$GuestOnly,
+    [string]$UserName,
+    [string]$Password
+)
+
+Function Connect_Exo
+{
+ #Check for EXO v2 module inatallation
+ $Module = Get-Module ExchangeOnlineManagement -ListAvailable
+ if($Module.count -eq 0) 
+ { 
+  Write-Host Exchange Online PowerShell V2 module 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 Exchange Online PowerShell module"
+   Install-Module ExchangeOnlineManagement -Repository PSGallery -AllowClobber -Force
+   Import-Module ExchangeOnlineManagement
+  } 
+  else 
+  { 
+   Write-Host EXO V2 module is required to connect Exchange Online.Please install module using Install-Module ExchangeOnlineManagement cmdlet. 
+   Exit
+  }
+ } 
+ Write-Host Connecting to Exchange Online...
+ #Storing credential in script for scheduling purpose/ Passing credential as parameter - Authentication using non-MFA account
+ if(($UserName -ne "") -and ($Password -ne ""))
+ {
+  $SecuredPassword = ConvertTo-SecureString -AsPlainText $Password -Force
+  $Credential  = New-Object System.Management.Automation.PSCredential $UserName,$SecuredPassword
+  Connect-ExchangeOnline -Credential $Credential
+ }
+ else
+ {
+  Connect-ExchangeOnline
+ }
+}
+
+$MaxStartDate=((Get-Date).AddDays(-89)).Date
+
+#Audit SharePoint group membership changes for past 90 days
+if(($StartDate -eq $null) -and ($EndDate -eq $null))
+{
+ $EndDate=(Get-Date).Date
+ $StartDate=$MaxStartDate
+}
+#Getting start date to audit SharePoint group membership changes report
+While($true)
+{
+ if ($StartDate -eq $null)
+ {
+  $StartDate=Read-Host Enter start time for report generation '(Eg:04/28/2021)'
+ }
+ Try
+ {
+  $Date=[DateTime]$StartDate
+  if($Date -ge $MaxStartDate)
+  { 
+   break
+  }
+  else
+  {
+   Write-Host `nAudit can be retrieved only for past 90 days. Please select a date after $MaxStartDate -ForegroundColor Red
+   return
+  }
+ }
+ Catch
+ {
+  Write-Host `nNot a valid date -ForegroundColor Red
+ }
+}
+
+
+#Getting end date to audit SPO group membership changes report
+While($true)
+{
+ if ($EndDate -eq $null)
+ {
+  $EndDate=Read-Host Enter End time for report generation '(Eg: 04/28/2021)'
+ }
+ Try
+ {
+  $Date=[DateTime]$EndDate
+  if($EndDate -lt ($StartDate))
+  {
+   Write-Host End time should be later than start time -ForegroundColor Red
+   return
+  }
+  break
+ }
+ Catch
+ {
+  Write-Host `nNot a valid date -ForegroundColor Red
+ }
+}
+
+$OutputCSV=".\AuditSPOGrpMembershipChanges_$((Get-Date -format yyyy-MMM-dd-ddd` hh-mm` tt).ToString()).csv" 
+$IntervalTimeInMinutes=1440    #$IntervalTimeInMinutes=Read-Host Enter interval time period '(in minutes)'
+$CurrentStart=$StartDate
+$CurrentEnd=$CurrentStart.AddMinutes($IntervalTimeInMinutes)
+
+#Check whether CurrentEnd exceeds EndDate
+if($CurrentEnd -gt $EndDate)
+{
+ $CurrentEnd=$EndDate
+}
+
+if($CurrentStart -eq $CurrentEnd)
+{
+ Write-Host Start and end time are same.Please enter different time range -ForegroundColor Red
+ Exit
+}
+
+Connect_EXO
+$CurrentResultCount=0
+$AggregateResultCount=0
+Write-Host `nAuditing SharePoint group membership changes from $StartDate to $EndDate...
+$ProcessedAuditCount=0
+$OutputEvents=0
+$ExportResult=""   
+$ExportResults=@()  
+
+
+while($true)
+{
+ #Getting audit data for the given time range
+ Search-UnifiedAuditLog -StartDate $CurrentStart -EndDate $CurrentEnd -Operations "AddedtoGroup,RemovedfromGroup" -SessionId s -SessionCommand ReturnLargeSet -ResultSize 5000 | ForEach-Object {
+  $ResultCount++
+  $ProcessedAuditCount++
+  Write-Progress -Activity "`n     Retrieving SharePoint Group membership changes audit from $CurrentStart to $CurrentEnd.."`n" Processed audit record count: $ProcessedAuditCount"
+  $MoreInfo=$_.auditdata
+  $Operation=$_.Operations
+  $User=$_.UserIds
+  $PrintFlag="True"
+  $AuditData=$_.auditdata | ConvertFrom-Json
+  $SiteUrl=$AuditData.SiteUrl
+  $MemberName=$AuditData.TargetUserorGroupName
+  $MemberType=$AuditData.TargetUserorGroupType
+  $Html=$AuditData.EventData
+  $Group = [Regex]::new("(?<=Group>)(.*)(?=</Group>)")
+  $AllowShare=[Regex]::new("(?<=ShareApplied>)(.*)(?=</MembersCan)")
+  $MembersCanShare=$AllowShare.Match($Html).Value
+  if($MembersCanShare -eq "")
+  {$MembersCanShare="-"}
+  $GroupName = $Group.Match($html).Value  
+  $Result=$AuditData.ResultStatus
+  $Workload=$AuditData.Workload
+
+  #Filter result based on Workload
+  if(($SharePointOnly.IsPresent) -and ($Workload -eq "OneDrive"))
+  {
+   $PrintFlag="False"
+  }
+  elseif(($OneDriveOnly.IsPresent) -and ($Workload -eq "SharePoint"))
+  {
+   $PrintFlag="False"
+  }
+
+  #Filter Guest users alone
+  if(($GuestOnly.IsPresent) -and ($MemberType -ne "Guest"))
+  {
+   $PrintFlag="False"
+  }  
+ 
+  $EventTime=(Get-Date($AuditData.CreationTime)).ToLocalTime()  #Get-Date($AuditData.CreationTime) Uncomment to view the Activity Time in UTC
+  #Export result to csv
+  if($PrintFlag -eq "True")
+  {
+   $OutputEvents++
+   $ExportResult=@{'Event Time'=$EventTime;'Performed By'=$User; 'Operation'=$Operation;'Site URL'=$SiteUrl;'Member Name'=$MemberName;'Member Type'=$MemberType;'Workload'=$Workload;'Group Name'=$GroupName;'Members Can Share Sites&Files'=$MembersCanShare;'More Info'=$MoreInfo}
+   $ExportResults= New-Object PSObject -Property $ExportResult  
+   $ExportResults | Select-Object 'Event Time','Performed By','Operation','Group Name','Member Name','Member Type','Members Can Share Sites&Files','Site URL','Workload','More Info' | Export-Csv -Path $OutputCSV -Notype -Append 
+  }
+ }
+ $currentResultCount=$currentResultCount+$ResultCount
+ 
+ if($CurrentResultCount -ge 50000)
+ {
+  Write-Host Retrieved max record for current range.Proceeding further may cause data loss or rerun the script with reduced time interval. -ForegroundColor Red
+  $Confirm=Read-Host `nAre you sure you want to continue? [Y] Yes [N] No
+  if($Confirm -match "[Y]")
+  {
+   Write-Host Proceeding audit log collection with data loss
+   [DateTime]$CurrentStart=$CurrentEnd
+   [DateTime]$CurrentEnd=$CurrentStart.AddMinutes($IntervalTimeInMinutes)
+   $CurrentResultCount=0
+   if($CurrentEnd -gt $EndDate)
+   {
+    $CurrentEnd=$EndDate
+   }
+  }
+  else
+  {
+   Write-Host Please rerun the script with reduced time interval -ForegroundColor Red
+   Exit
+  }
+ }
+
+ 
+ if($ResultCount -lt 5000)
+ { 
+  if($CurrentEnd -eq $EndDate)
+  {
+   break
+  }
+  $CurrentStart=$CurrentEnd 
+  if($CurrentStart -gt (Get-Date))
+  {
+   break
+  }
+  $CurrentEnd=$CurrentStart.AddMinutes($IntervalTimeInMinutes)
+  $CurrentResultCount=0
+  if($CurrentEnd -gt $EndDate)
+  {
+   $CurrentEnd=$EndDate
+  }
+ }                                                                                             
+ $ResultCount=0
+}
+
+#Open output file after execution
+If($OutputEvents -eq 0)
+{
+ Write-Host No records found
+}
+else
+{
+ Write-Host `nThe output file contains $OutputEvents audit records
+ if((Test-Path -Path $OutputCSV) -eq "True") 
+ {
+  Write-Host `nThe Output file available in $OutputCSV -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 "$OutputCSV"   
+  } 
+ }
+}
+
+#Disconnect Exchange Online session
+Disconnect-ExchangeOnline -Confirm:$false -InformationAction Ignore -ErrorAction SilentlyContinue
\ No newline at end of file