To help you get the right version, are you using or Windows 11 ?

Offers a modern, unified inbox experience with a free version that supports multiple accounts.

The new app is essentially a Progressive Web App (PWA), designed to be fast and modern but acting more like the web version of Outlook rather than the traditional desktop software. Top Free Alternatives

Use built-in AI for intelligent suggestions, grammar, and spelling checks.

Coordinate multiple inboxes (Gmail, Yahoo, Outlook.com, etc.) in one place.

Easy attachment of files from OneDrive or your device. Important Notes on the Free Version