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Wino Mail vs Microsoft Outlook: catalog facts
Wino Mail	Microsoft Outlook
Free The software is free under its open-source licence. Hosting, hardware and external…	Freemium Free app and account available; Microsoft 365 plans add paid features and Office apps.
Windows	Windows, macOS, Android, iOS, Web
It deliberately rebuilds the simplicity of the old Windows Mail app with a Fluent interface, which the WebView-based…	Email, calendar and contacts for multiple accounts in one app Available on desktop, mobile and web
It is a one-developer project still filling in features, and it runs on Windows only.	Closed source and tied to Microsoft services Some features, including Copilot, require a paid plan
Downloadable app	Downloadable app, Web application
Open source	Closed source
License: GPL-3.0	License not stated
Not stated if an account is needed	Not stated if an account is needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Checked September 22, 2026	Official website Full listing and sources Checked September 23, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.