diff --git a/Fix-OutlookUnblockAttachmentTypes.ps1 b/Fix-OutlookUnblockAttachmentTypes.ps1
new file mode 100644
index 0000000..ce6c955
--- /dev/null
+++ b/Fix-OutlookUnblockAttachmentTypes.ps1
@@ -0,0 +1,4 @@
+# Note: $FileTypes must be set by the calling script
+
+# Unblock attachment types
+[Microsoft.Win32.Registry]::SetValue("HKEY_CURRENT_USER\SOFTWARE\Microsoft\Office\16.0\Outlook\Security","Level1Remove","${FileTypes}",[Microsoft.Win32.RegistryValueKind]::String)