I’m going to demonstrate how to do this from the command line. There are other tools for this process, but this particular method is fairly universal across all Linux distributions. Where FILENAME is ...

Windows’ Encrypted File System (EFS for short) is showing its age. Although it’s still very easy to use – just right-click on a file or folder and select Properties > Advanced > Encrypt contents to ...

Close the Key Manager and go back to the Thunderbird main window. Compose a new message to the email address associated with the encryption key, and then (in the email compose window) click the ...