Sophos CDE: How to use the feature “Password protect files for secure sharing” on Windows.


With the Password protect files for secure sharing feature, you can set passwords when sending sensitive data to recipients outside your corporate network. You can turn this on in a Device Encryption policy. The feature is only available in Central Device Encryption 2.0 or later. This is only available for Windows.

The article will show you how to use the Enable right-click context menu feature in Password protect files for secure sharing.


Step 1: Enable right-click context menu in Device Encryption policy.

When you create Device Encryption policy in Settings tab > Under Password protect files for secure sharing > Enable Enable right-click context menu.

If you turn on this option, a Create password-protected file option is added to the right-click menu of files. Users can attach password-protected files to emails when sending sensitive data to recipients outside your corporate network. Files are wrapped in a new HTML file with encrypted content..

Recipients can open the file by double-clicking it and entering the password. They can send the received file back and protect it with the same or a new password, or they can create a new password-protected file

Step 2: Create a password to protect the file.

After the Device Encryption policy is applied to the device and has finished encrypting all drives, you can create a password for an important file when sending it by right-clicking on the file and selecting Create password-protected file.

Note: You can only protect files up to 50Mb. If a file larger than 50 MB, the following message will appear.

With the folder, you should zip it and then set a password.

You enter the password for the file. You should set a strong password including letters, numbers, capital letters, and special characters.

Click Create.

After setting the password, the new file will be wrap to html format, the original file will still be in the old format. You will send this html file.

You can send this file via chat channels or email.

Step 3: Recipient opens the file.

When the recipient receives the file, chooses to open the file, will be redirected to a web page to enter the password to open the file.

Note: The password to open the file should not be shared in the recipient’s email or chat channel, so it should be sent separately through another method for more security.

After entering the password the file will be downloaded in its original format.

The recipient can also create a password for the file by entering the password interface to open the file and select Password protect a new file.

You choose Browse file > select the file to set the password > Set Password and Confirm password.

Finally click on Password protect, the file will also wrap to html format.

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