How to Open Encrypted Files. Microsoft Windows' built-in encryption utility is designed to protect files from being open, read or modified by other users and computers.

How to Encrypt a File Using OpenSSL. Secure Sockets Layer is a network communication protocol that provides security for data at the transmission level.

Whether you use Windows Pro's built-in Bitlocker or the free Veracrypt utility, encrypting a file, folder, or drive is an easy way to keep your sensitive documents secure.

GnuPG is an open source implementation of OpenPGP standards, and it allows you to sign and encrypt your files. It is basically a command line tool and a little difficult to get along.

Here's how to use DiskCryptor, BitLocker, or TrueCrypt to encrypt sensitive documents or even entire hard drives in Windows.

For the purposes of our roundup, we're focusing on desktop file encryption tools - the ones you use on your own computer to encrypt your own private data, not cloud services that promise to ...

If Windows struggles to open JPG files, here are a few things you can do.