In today's digital landscape, choosing an email provider involves weighing storage needs, encryption capabilities, and integration with existing tools. This comparison helps you determine which service best fits your requirements.
This comparison analyzes real-world performance, user feedback, and key differentiators to help you make an informed decision.
If robust privacy and custom domains are essential, Tutanota is the clear choice. For seamless Microsoft ecosystem integration and ample storage, Outlook is preferable.
Individuals and businesses prioritizing data privacy, end-to-end encryption, and custom domain support.
Users heavily invested in the Microsoft ecosystem who need generous storage and seamless integration with other Microsoft services.
Attribute | Tutanota | Outlook |
---|---|---|
Email Encryption | End-to-end encryption (AES 128-bit & RSA 2048) for internal, AES-128 bit for external. Encrypts body, subject, attachments. | End-to-end encryption via S/MIME and Microsoft Purview Message Encryption (MPME). MPME for Enterprise users. |
Storage Capacity | Free: 1 GB (up to 10 GB virtual). Paid plans offer 1 GB to 1 TB options. | Free: 15 GB. Microsoft 365: 100 GB. Max mailbox: 100GB. |
Custom Domain Support | Available in paid plans; varies from 1 to 10 domains depending on the plan. | Not available. |
Email Aliases | Available in paid plans; up to 5 aliases in Premium, 30 in Legend. | Up to 10 aliases, all landing in the same inbox. |
Two-Factor Authentication | Supports U2F and authenticator apps (TOTP). | Supports 2FA via email, phone, or Microsoft Authenticator app. |
Data Privacy | Based in Germany, GDPR compliant. Minimizes data collection, doesn't track email activity or record IP addresses. | Data privacy policy information not available. |
Tutanota offers end-to-end encryption by default, including subject lines and attachments, providing a higher level of privacy. Outlook offers end-to-end encryption, but requires configuration and may not cover all aspects of the email.
Both offer free plans. Outlook's paid plans are bundled with other Microsoft services, which may be more cost-effective for users already using those services. Tutanota's paid plans are focused solely on email and related features.
Information gathered through AI-assisted web search and analysis. Last updated: August 2025
Our comparison methodology combines multiple data sources to provide comprehensive, unbiased analysis:
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