From b3218f82a33634ad3b40c08dcc2379bdbba6676a Mon Sep 17 00:00:00 2001
From: Kyle Pope <kyle.a.pope@outlook.com>
Date: Wed, 22 Oct 2025 10:04:16 +0800
Subject: [PATCH] added ExchangeOnline directory and tenant mailbox rule export
 script

---
 .../Export-AllUserMailboxRules.ps1            | 30 +++++++++++++++++++
 1 file changed, 30 insertions(+)
 create mode 100644 Cloud/Microsoft365/ExchangeOnline/Export-AllUserMailboxRules.ps1

diff --git a/Cloud/Microsoft365/ExchangeOnline/Export-AllUserMailboxRules.ps1 b/Cloud/Microsoft365/ExchangeOnline/Export-AllUserMailboxRules.ps1
new file mode 100644
index 0000000..ff372c8
--- /dev/null
+++ b/Cloud/Microsoft365/ExchangeOnline/Export-AllUserMailboxRules.ps1
@@ -0,0 +1,30 @@
+# Script will connect to ExchangeOnline, gather all user inbox rules across the tenant and export to a CSV file locally. 
+# Internal forwarding will appear as "Display Name" and include MailOwnerId in rule
+# External forwarding will appear as "email@domain.com" [SMTP:email@domain.com]
+
+# Create export path
+$exportPath = "C:\temp\exports\UserMailboxRulesExport.csv"
+
+# Prepare file (optional: overwrite each time script runs)
+if (Test-Path $exportPath) { Remove-Item $exportPath }
+
+# Get all mailboxes
+$users = Get-Mailbox -ResultSize Unlimited
+
+foreach ($user in $users) {
+    $rules = Get-InboxRule -Mailbox $user.UserPrincipalName | Select-Object `
+        @{Name='DisplayName'; Expression={$user.DisplayName}},
+        @{Name='EmailAddress'; Expression={$user.PrimarySmtpAddress}},
+        MailboxOwnerID,
+        Name,
+        Description,
+        Enabled,
+        RedirectTo,
+        MoveToFolder,
+        ForwardTo
+
+    # Export rules if any exist
+    if ($rules) {
+        $rules | Export-Csv $exportPath -NoTypeInformation -Append
+    }
+}