Export All Mailboxes in EXO

Export All Mailboxes in EXO/GetMailboxes.ps1

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+<#
+=============================================================================================
+Name:           Export All Mailboxes in Microsoft 365 
+Version:        1.0
+Website:        o365reports.com
+
+
+Script Highlights:  
+~~~~~~~~~~~~~~~~~
+1. The script automatically verifies and installs Exchange Online PowerShell module (if not installed already) upon your confirmation.    
+2. Exports all mailboxes in the organization. 
+3. Allows exporting mailboxes that matches the selected filter. 
+	- User Mailboxes 
+	- Shared Mailboxes 
+	- Room Mailboxes 
+	- Equipment Mailboxes   
+4. Export the report result to CSV. 
+5. The script can be executed with MFA enabled account too.  
+6. The script supports certificate-based authentication (CBA) too. 
+7. The script is schedular-friendly.   
+
+For detailed Script execution: https://o365reports.com/2025/05/06/export-all-mailboxes-in-microsoft-365-using-powershell
+
+
+============================================================================================
+#>
+
+
+Param
+(
+    [Parameter(Mandatory = $false)]
+    [switch]$UserMailboxesOnly,
+    [switch]$SharedMailboxesOnly,
+    [Switch]$RoomMailboxesOnly,
+    [Switch]$EquipmentMailboxesOnly,
+    [string]$UserName,
+    [string]$Password,
+    [string]$Organization,
+    [string]$ClientId,
+    [string]$CertificateThumbprint
+)
+Function Connect_Exo
+{
+ #Check for EXO module installation
+ $Module = Get-Module ExchangeOnlineManagement -ListAvailable
+ if($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
+  } 
+  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 $Credential -ShowBanner:$false
+ }
+ elseif($Organization -ne "" -and $ClientId -ne "" -and $CertificateThumbprint -ne "")
+ {
+   Connect-ExchangeOnline -AppId $ClientId -CertificateThumbprint $CertificateThumbprint  -Organization $Organization -ShowBanner:$false
+ }
+ else
+ {
+  Connect-ExchangeOnline -ShowBanner:$false
+ }
+}
+Connect_Exo
+
+$OutputCSV="$PSScriptRoot\EXOMailbox_Report_$((Get-Date -format yyyy-MMM-dd-ddd` hh-mm` tt).ToString()).csv" 
+$Count=0
+
+#Filtering based on mailbox type
+if($RoomMailboxesOnly.IsPresent)
+{
+ $RecipientType="RoomMailbox"
+}
+elseif($UserMailboxesOnly.IsPresent)
+{
+ $RecipientType="UserMailbox"
+}
+elseif($SharedMailboxesOnly.IsPresent)
+{
+ $RecipientType="SharedMailbox"
+}
+elseif($EquipmentMailboxesOnly.IsPresent)
+{
+ $RecipientType="EquipmentMailbox"
+}
+else
+{
+ $RecipientType="DiscoveryMailbox,EquipmentMailbox,GroupMailbox,LegacyMailbox,LinkedMailbox,LinkedRoomMailbox,RoomMailbox,SchedulingMailbox,SharedMailbox,TeamMailbox,UserMailbox"
+}
+
+#Retrieving mailbox details
+Get-EXOMailbox -ResultSize Unlimited -RecipientTypeDetails $RecipientType | foreach {
+ $DisplayName=$_.DisplayName
+ $Count++
+  Write-Progress -Activity "`n  Processed mailbox count: $Count .."`n" Currently processing: $DisplayName"
+ $UPN=$_.UserPrincipalName
+ $Alias=$_.Alias
+ $MailboxType=$_.RecipientTypeDetails
+ $PrimarySMTPAddress=$_.PrimarySMTPAddress
+ $EmailAddresses= ($_.EmailAddresses | Where-Object {$_ -clike "smtp:*"} | ForEach-Object {$_ -replace "smtp:",""}) -join ","
+ If($EmailAddresses -eq "")
+ {
+  $EmailAddresses="-"
+ }
+
+ $Results = [PSCustomObject]@{
+                            "Mailbox Name"             = $DisplayName
+                            "UPN"          = $UPN
+                            "Alias" =$Alias
+                            "Mailbox Type"         = $MailboxType
+                            "Primary SMTP Address"      = $PrimarySMTPAddress
+                            "Other Email Addresses" =$EmailAddresses
+                           
+ }
+ $Results | Export-CSV  -path $OutputCSV -NoTypeInformation -Append  -Force
+}
+
+Write-Host `n~~ Script prepared by AdminDroid Community ~~`n -ForegroundColor Green
+Write-Host "~~ Check out " -NoNewline -ForegroundColor Green; Write-Host "admindroid.com" -ForegroundColor Yellow -NoNewline; Write-Host " to get access to 1800+ Microsoft 365 reports. ~~" -ForegroundColor Green `n
+  
+If($Count -eq 0)
+{
+ Write-Host No mailboxes found
+}
+else
+{
+ Write-Host `nThe output file contains $Count mailboxes.
+ Write-Host `n" The Output file available in: "  -NoNewline -ForegroundColor Yellow; Write-Host $OutputCSV 
+ $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