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Tresorit is an easy-to-use, cloud-based, secure file synchronising software designed to share confidential data. Simply place any kind of file into the Tresorit folder and they will automatically sync with every computers connecting to the same account. Files are encrypted before being uploaded into the cloud. Decryption is only possible with permission from the owner.

Encrypted contents can be shared without needing re-encryption. Tresorit is a cloud-based and easy to use piece of software with a strong focus on keeping your files both accessible and secure. Lining up with the industry's standard, the utility uses end-to-end encryption to make your files as safe as possible.

Subsequent to the installation process, to use the application, you first need to create a Tresorit account on the official website. Once this is taken care of, you can easily get started by uploading your files to the cloud server and sharing them. Working with Tresorit is quite an easy process, mainly thanks to a user-friendly and intuitive interface. The main window packs the most important features right on sight, with everything made even easier thanks to support for drag and drop.

The new apps still give you access to all of your cloud hosted files, and they still encrypt and decrypt them on demand—nothing leaves your computer without being encrypted first, and if you download anything new, it's decrypted when it gets to you, not on Tresorit's servers. This way not even Tresorit knows what you're storing—all of the keys are stored locally on your Mac, Windows PC, or Android device.

Easy access to your files

Upload files and folders to the cloud with a few clicks. Share them with anyone in seconds. We sync and update files automatically.

Client-side encryption

Tresorit secures your files and folders on your computer, before uploading to the cloud. Your encryption keys never leave your computer. This means noone can access your content if you don’t permit them, not even Tresorit.

Complete privacy

Security is not the only concern for cloud adopters – as long as your storage provider or an administrator can peek into your sensitive data, your privacy can be violated. This isn’t possible with Tresorit’s technology – your privacy is guaranteed.

Multi-layered security

Tresorit applies only published, scrutinized, industry-standard security algorithms, every one of which exceeds the computing power of currently available hardware.

Decrypting tresors without authorisation is mathematically unfeasible – it would take several lifetimes to crack one.

Files are encrypted with AES-256 before being uploaded to the cloud. Additional security is provided before upload by HMAC message authentication codes applied on SHA-512 hashes. Encrypted files are uploaded to the cloud using TLS-protected channels.

Everything can be ‘tresored’

Tresorit secures your files and folders on your computer, before uploading to the cloud. Your encryption keys never leave your computer. This means noone can access your content if you don’t permit them, not even Tresorit.

Shareable encryption

Tresorit’s patented shareable encryption makes it possible to collaborate easily and securely. You can share any number of files with any number of users using only their email addresses, while the software takes care of synchronization and tracking file changes.

Powerful permission handling

Permissions can be granted and revoked with a click. Tresorit allows you to set several distinct roles – reader, editor and manager. You are always in control of your data.