Ever download a folder full of files, only to notice all of the documents inside are zipped shut and encrypted—basically the digital version of Fort Knox? These are examples of the ever ...

How does a zip file work, and how can you use it? Here's everything you need to know to master the art of sending massive files.

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.

USB drives, external HDDs, and memory cards—remains the go-to for transferring and backing up data. But these devices are also among the easies ...

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

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.

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

Encryption is the matter of safety, I've always said. If you want to keep movies, pictures and other files under a safe lock, choose a password protective software from our guide.