Zero-Knowledge Cloud Security for Teams & External Partners

 100% Private & CompliantHIPAA, CCPA, and GDPR-ready with US data residency options.

  • Zero-Knowledge Encryption – Only you control your data—not even Tresorit can access it.
  • Get Started in MinutesStart Your Free Trial or Talk to Our Experts 
  • Migrate Seamlessly from Microsoft – Keep working in Teams, Outlook, and Office 365 with full encryption.
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Stronger Security. Better Compliance. No Complexity.

End-to-End Encryption | Microsoft 365 Integration | Secure External Collaboration

The Most Secure Cloud for Your Business

Protect sensitive data with zero-knowledge encryption—only you control access, not even Tresorit. Ensure compliance with HIPAA, CCPA, and GDPR while collaborating seamlessly within your organization and with external partners.

Why US Businesses Choose Tresorit

 100% Private & Secure – Your files are encrypted before they leave your device.
 Seamless Microsoft 365 Integration – Work securely in Teams, Outlook, and Office 365 without compromising productivity.
 Granular Access Control – Set permissions, revoke access instantly, and prevent unauthorized sharing.
 US Data Residency Options – Choose where your data is stored to meet regulatory requirements.
 Secure External File Sharing – Send and receive encrypted documents with expiring links, passwords, and watermarks.

Tresorit is built for businesses handling sensitive financial, legal, and healthcare data, ensuring airtight security without disrupting daily workflows.

 HIPAA & CCPA Compliant – Fully aligned with US data protection laws.
 Works Across All Devices – Access files securely from desktop, mobile, or web.
 Enterprise-Grade Admin Controls – Manage user access, track file activity, and enforce security policies.

FAQ

Cloud storage is highly secure when using end-to-end encryption and a zero-knowledge approach. This ensures that only authorized users can access the data, and not even the cloud provider can see your files. Always choose a provider that guarantees these security measures.
Yes, Tresorit enables secure file sharing with external partners through granular access controls, password protection, and expiring links. This ensures that only authorized recipients can access shared information, reducing security risks.
Tresorit seamlessly integrates with Microsoft 365, Outlook, and Teams, allowing you to securely store, share, and collaborate on encrypted files without leaving your Microsoft environment. This ensures full protection without disrupting workflows.
Tresorit offers data residency options, allowing businesses to choose where their data is stored. This is crucial for organizations needing to comply with U.S. federal, state, or industry-specific data localization laws.
Tresorit uses zero-knowledge encryption, meaning even Tresorit cannot access your files. If authorities request access, they cannot be provided with unencrypted data because Tresorit does not store encryption keys.
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One platform, multiple benefits

Security-Reward-check

Automatic end-to-end encryption & zero-knowledge

that your employees, clients, and partners cannot bypass - bad actors will never be able to exploit.
Product-QeSign

One platform for secure storing, sharing & signing

that have been built for securing your entire document management lifecycle - without risky system switches.
Cloud-Share

Utmost security for external & internal file sharing

that helps you facilitate risk-free collaboration across your supply chain, client base, and entire organization.
Compliance-GDPR

A platform designed for compliance

that has proven to be the perfect choice for the strictest regulatory requirements - GDPR, HIPAA, TISAX, FINRA, including NIS2 & DORA.
Reaction-Sparkles

Intuitive interface & integrations

that naturally adapt to your work style while supporting secure work habits - whenever you touch on a sensitive document.
System-Switches

Strong access & sharing controls at your fingertips

that empower you to regain control over your data flow, supervise who and when can access your content, and detect suspicious events in-time.
Compared to other services like Dropbox, Tresorit’s solution is much safer, compared to manual encryption, it’s less hassle, and compared to other online services, it offers a much better overall package.

Dr. Tobias Zimmermann

Research fellow, The Cardiovascular Research Institute Basel