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.

Have a private document on your desktop OS? Here's how to keep it secure on Linux, MacOS, and Windows.

Learn how to add a Password to zip files. Using free 7-Zip, you can encrypt & easily add a Password to zipped, archived & compressed files.

Express Zip free file compression for Windows lets you open & extract archive formats like zip, rar, cab, tar, 7z, iso, gzip, multidisk, zipx, lzh, arj & more.

How to Encrypt any File, Folder, or Drive on Your System Trust us, it’s safer this way. Photograph: Peter Dazeley/Getty Images ...

How to Encrypt Files on Windows using Encrypting File System (EFS) EFS works by letting you apply encryption to already-existing files or folders in your file system.

When you click on that encrypted file, which will now be saved as a .dmg, it will prompt you for the same password you just entered. (Hopefully you haven’t already forgotten it.) Enter the ...

Apple has several different encryption tools built into macOS, letting you encrypt your entire Mac or individual files or folders, and in this guide we'll show you how.

What Is Encryption? But before we get ahead of ourselves, let’s take a quick look into what encryption is and how it works. Imagine you are going to send a postcard in the mail. You go to your ...