The "New Outlook" is a modern, web-based experience that is free for all users. It is designed to replace the built-in Windows Mail app.

| Method | Outlook only? | License type | Offline installer | |--------|---------------|--------------|-------------------| | Buy Outlook 2021 standalone | ✅ Yes | Perpetual | ✅ Yes | | Microsoft 365 + ODT | ✅ Yes (after config) | Subscription | ✅ Yes | | Full Office installer (default) | ❌ No (includes others) | Both | ✅ Yes (includes all apps) | | Outlook for Mac standalone | ✅ Yes (from Mac App Store or volume license) | Perpetual or 365 | ✅ Yes (pkg file) |