Privacy & Security / Feb 17 2021

Koofr with Cryptomator on your computer

Cryptomator is an open-source encryption software that encrypts the data on your computer quickly and easily. Save your encrypted data to Koofr for extra privacy.

2023 update: Koofr has recently launched Koofr Vault, an open source client-side encrypted folder that is compatible with the open source command-line tool, rclone. If you are looking for an easy way to encrypt the files you store on Koofr, consider giving Koofr Vault a try!

Cryptomator is an open-source encryption software that encrypts your data quickly and easily and lets you upload it to your Koofr account. It is available for Windows, macOS, Linux as well as for Android and iOS. Cryptomator encrypts both files and filenames with AES and 256-bit key length.

Cryptomator is an open-source encryption software available to download from https://cryptomator.org. [Source: https://cryptomator.org/]

How to connect Koofr and Cryptomator?

(1) Download and run the appropriate version of Cryptomator on your computer.

Download and run Cryptomator on your device.

Note: We tested it on a Windows computer.

(2) Click on + Add Vault to create a new encrypted folder.

To create a new encrypted folder or

(3) Choose a name for your vault and click on Next.

Name your Cryptomator-encrypted vault.

(4) Select a location where you want to store your encrypted files and click on Next.

Note: We chose a previously created location inside the default Koofr desktop sync folder. This way your encrypted files will automatically be synced to Koofr.

Select a location inside your Koofr desktop sync folder to store your encrypted files.

(5) Enter and confirm the password for your vault. Cryptomator requires at least 8 characters but recommends you to use even longer and stronger passwords.

Note: You will not be able to access your data without your password. Cryptomator cannot reset your password for you. It is recommended that you create an additional recovery key.


If you decide to create an additional recovery key, check the Yes please, better safe than sorry option.

Click on Create Vault.

(6) If you decided to create a recovery key, it will now be displayed. You will be able to print or copy it in this step. Make sure to keep it somewhere safe.

Cryptomator will generate a recovery key that you can save to a secure location or print out.

Click on Next when you are done.

(7) Congrats, you successfully created your vault. You need to unlock it to access or add content. Click on Unlock now to unlock your vault or click on Done.

Once you've created your vault, you'll need to unlock it to access it.

Note: You can unlock your vault at any later point in time.

(8) Unlock your vault by typing in your password.

Type in your password to unlock your vault.

(9) If your password is correct a confirmation is displayed and your vault becomes accessible. Click on Reveal Vault to open it.

Once your vault is unlocked, click Reveal Vault to open it.

(10) After you unlock your vault its contents become available as a virtual drive on your computer. Add the files to your vault to encrypt them.

To encrypt your files, add them to the vault virtual drive.

(11) Click on Lock to lock your vault and encrypt your data.

Encrypt your data by locking your Cryptomator vault.

(12) Move to your Koofr account and find your encrypted files in the appropriate folder.

Your encrypted files can now be found in the designated folder in your Koofr.

If you encounter any issues or need extra information, consult Cryptomator's Docs.

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