diff --git a/Save Sent Items in Shared Mailbox/SaveSentItemsInSharedMailbox.ps1 b/Save Sent Items in Shared Mailbox/SaveSentItemsInSharedMailbox.ps1
new file mode 100644
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+++ b/Save Sent Items in Shared Mailbox/SaveSentItemsInSharedMailbox.ps1	
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+<#
+=============================================================================================
+Name:          Save sent items in Shared Mailbox using PowerShell  
+Description:   Emails sent from shared mailboxes are saved in the user's sent items by default. To save a copy of email in Shared mailbox's sent ietms, run this script. 
+Version:       1.0
+Website:       M365scripts.com
+
+For details: https://m365scripts.com/exchange-online/how-to-save-sent-items-in-shared-mailbox/
+============================================================================================
+#>
+
+ #Check for EXO module inatallation
+ $Module = Get-Module ExchangeOnlineManagement -ListAvailable
+ if($Module.count -eq 0) 
+ { 
+  Write-Host Exchange Online PowerShell 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 -Scope CurrentUser
+   Import-Module ExchangeOnlineManagement
+  } 
+  else 
+  { 
+   Write-Host EXO 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 $Credential
+ }
+ elseif($Organization -ne "" -and $ClientId -ne "" -and $CertificateThumbprint -ne "")
+ {
+   Connect-ExchangeOnline -AppId $ClientId -CertificateThumbprint $CertificateThumbprint  -Organization $Organization -ShowBanner:$false
+ }
+ else
+ {
+  Connect-ExchangeOnline
+ }
+
+#Retrieve all the shared mailbox and configure to save email copies in sent items
+Get-Mailbox –ResultSize Unlimited -RecipientTypeDetails Sharedmailbox | foreach { 
+ Set-mailbox -Identity $_.UserPrincipalName -MessageCopyForSendOnBehalfEnabled $true -MessageCopyForSentAsEnabled $true
+} 
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