: For professional use, Microsoft 365 Business starts at roughly $6.00/user/month. 2. Standalone One-Time Purchase

: The new default app is included free with Windows 10/11. You can also download it from the Microsoft Store . Outlook Web : Free to use via any browser at Outlook.com.

: Often bundled with Word and Excel as a one-time purchase. 3. Free Versions (No Purchase Necessary) Before buying, check if the free options meet your needs:

This is the most common way to "buy" Outlook. It provides the full desktop application, 1TB of cloud storage, and ad-free email.

: Available for approximately $159.99 for just the Outlook application.

If you hate subscriptions, you can buy Outlook as a perpetual license. This means you pay once and own that specific version (e.g., Outlook 2021) forever, though you won't get major feature updates.

: The Outlook app for iOS and Android is free to download and use with any email provider. Outlook for Windows | Microsoft 365

: Best for individuals. You can subscribe through the Microsoft 365 Personal page.