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Yahoo Mail vs Microsoft Outlook: catalog facts
Yahoo Mail	Microsoft Outlook
Free Free email service from Yahoo.	Freemium Free app and account available; Microsoft 365 plans add paid features and Office apps.
Android, iOS, Web	Windows, macOS, Android, iOS, Web
Free email account Available on the web and on phones	Email, calendar and contacts for multiple accounts in one app Available on desktop, mobile and web
Closed service run by a large advertising company Hosted only, no self-hosting option	Closed source and tied to Microsoft services Some features, including Copilot, require a paid plan
Web application, Hosted service	Downloadable app, Web application
Closed source	Closed source
License not stated	License not stated
Account needed	Not stated if an account is needed
Needs internet	Not stated if it works offline
Official website Full listing and sources Checked September 23, 2026	Official website Full listing and sources Checked September 23, 2026

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