If you wanted to encrypt your data in the easiest way possible, and with the strongest encryption technique possible, there is no alternative to Winrar. Most of us think of Winrar as a compression software but unlike Windows-ZIP utility, it does both encryption and compression. This guide will teach you how to encrypt your data for security purposes. For both single file and multiple files / folders.
Before we proceed, you must have Winrar installed on your computer in order to do this.
Navigate to the files / folders you wish to encrypt.
Either gather all the files / folder you want to encrypt into a single folder. OR select the multiple files and folder by holding down the CTRL key on your keyboard.
Right-Click the multiple selected files / folders and click Add to Archive. You will be prompted with a dialog similar to this one:
Check the RAR radio button:
Go to the Advanced tab on the top and click on Set Password to open a new Dialog Window.
STEP 6 [Encrypt]
Type a password into the two text fields and mark the check box next to the label Encrypt File Names .
Click ‘OK’ twice to Compress and Secure your data.