Most of us have some rather sensitive files on our PCs. Whether its our tax returns, financial records, password lists (seriously, just use a password manager already), or just files you dont want anyone to see under any circumstances, we all have our reasons for wanting a bit more security. This means that its time to get into encryption, which is where a drive, file, or folder is encoded (encrypted) so as to make it unreadable to anyone except the person with the right key to decrypt it. The upside is that anyone attempting to access it without the password will fail, and the downside is that if you lose the encryption key (usually a password), whatever you had encrypted will be gone forever, unless theres a way to recover it.
Luckily, in Windows you have options on how to do this for absolutely no cost whatsoever. Windows 10/11 Pro users have encryption tools built into the OS; while users of the Home variant must use a free third-party utility. Whether you want full-drive encryption, or just a secure space to keep your important records, one of these tools will fit the bill.
Windows 10 or 11 Pro offers two built-in encryption tools: There is this simple tool, which can be used to encrypt any filehowever, in our testing we had issues with it, so we recommend using the other option, Bitlocker. Bitlocker offers full-drive encryption only, however, but thankfully you can choose between encrypting the entire drive, or just the space thats being used. Encrypting an entire drive does incur a performance penalty, but if its your work laptop and everything you are working on is on your C:/ drive, its a good option to consider. Its also a good option for external drives, as most of us have lost a few of those over the course of our lives, and lord knows what we had on them when we did so. Setting up Bitlocker is relatively painless, so follow along.
If you just type the word Bitlocker in Windows search itll appear, or you can find it in the Control Panel listed as Bitlocker Management. When you open it, youll be presented with a list of your attached storage devices, both internal and external. Were going to install it on our external drive, F.
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After youve enabled Bitlocker on the drive of your choice, Microsoft will ask you how you want to unlock the drive, either via a password or with a Smart Card; we chose a password. If you choose a Smart Card youll need a USB drive, which will be paired with a PIN code to unlock the drive.
Josh Norem/IDG
Next, Microsoft will ask you how you want to restore the recovery key, which could save your behind if you ever forget your password, or lose your Smart Card. We chose to have the recovery key accessible via our Microsoft Account, as that seems to be the most secure method of storing it, and definitely smarter than printing it out!
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One of the last steps is deciding how much of the drive to encrypt: all of it, or just the used space. We chose just the used space simply because it should result in faster drive performance.
Josh Norem/IDG
Youll also have to choose which encryption mode you want: one that works with newer PCs, or one thats compatible with older versions of Windows. Since we only have Windows 10/11 PCs in our house, we chose the newer version.
Josh Norem/IDG
Were all set now, so go ahead and click Start Encrypting. On our 256GB test drive, the encryption process took just a few seconds. Once its complete, your data is now encrypted.
Josh Norem/IDG
Going forward, inserting the now-encrypted drive results in the error seen below, instead of just automatically opening like it does for external storage.
Josh Norem/IDG
Youll also get a pop-up from Windows asking you to type the encryption password, or the recovery key. Thankfully, Windows gives you the option of automatically unlocking on a certain PC, which is handy if youre using it a lot on a home PC as opposed to a laptop.
Josh Norem/IDG
If you have the Home version of Windows, you can still get in on the encryption game with Veracrypt, which is a free utility that can encrypt a folder, drive, or partition. This handy tool lets you mount an encrypted virtual disk in Windows, MacOS, and Linux. When you enter your password the disk is mounted and your files appear, but when you close the program, the disk unmounts and the files are no longer accessible. We didnt test the disk or partition encryption, so these instructions only apply to creating an encrypted folder. Lets jump in, shall we?
To get started, download the free utility and fire it up. To begin, youll need to create the encrypted volume, so click on Create Volume.
Josh Norem/IDG
On the next screen we chose Create an encrypted file container, as were just looking for a repository for our sensitive documents and media.
Josh Norem/IDG
Next we chose Standard Veracrypt volume as its fine for the vast majority of home users.
Josh Norem/IDG
Next you have to choose the location for this file, so consider the size of the folder you will create, and make sure your storage device has enough room to hold it. We made a folder on one of our hard drives labeled Veracrypt since were good at hiding things, and then typed the name of the file into the dialogue box that appeared, resulting in what you see in the screenshot. Also note you can create this volume on a removable drive too.
Josh Norem/IDG
Next you have a lot of encryption options, but just select AES and click through. AES-256 encryption is considered the strongest form of encryption and cannot be cracked with brute strength, so it should work for your purposes.
Josh Norem/IDG
Now decide how big you want your container to be. You cant go back and make it bigger later, so shoot for the moon, assuming you have enough room. We decided to make ours 1GB.
Josh Norem/IDG
With that information inputted, the program is ready to create the volume on your drive. Dont be afraid by all the hacker looking stuff on the screen, just click Format and youre off to the races.
Josh Norem/IDG
Once the process is completed, it will show you that the volume is ready.
Josh Norem/IDG
You can now navigate to where the container is just to verify its existence and see its file size, if that is important to you. Youll note that clicking on it does nothing, as you have to use the Veracrypt program to actually open it, so lets do that now.
Josh Norem/IDG
Now its time to access our encrypted volume. Open Veracrypt and choose Select File from the main menu, then navigate to the folder where its located. Youll also need to choose a volume letter from the list provided, so choose one that is not in use like X or M, something like that. Once youve chosen the volume letter, and navigated to the file, click Mount.
Josh Norem/IDG
After that completes youll see the same window with the path to your file in blue. Double-click that and the volume will open. You will also see the same volume appear in This PC as well, if you prefer that method.
Josh Norem/IDG
Et voilahere are our encrypted files! These are quite sensitive cat photos, obviously, but feel free to throw anything you want in there, knowing its about as secure as it can possibly be for now.
Josh Norem/IDG
One final note: As long as the volume is mounted, it is accessible. So that means if you open it up, put some files in it, then just walk away from your PC, anyone with physical access to it can also look at the files. To complete the process, you have to click Dismount on the main screen of Veracrypt to shut the door on your encrypted folder. Once youve dismounted the volume, it will no longer be accessible without the encryption password.
Josh Norem/IDG
If you want to encrypt your drive to prevent unauthorized access, its built right into Windows Pro versions, so it is worth it on something that might get smashed and grabbed from a car, such as a laptop. For your desktop PC that never moves, the benefits are debatable. We do like having an encrypted folder via Veracrypt, however, for all of our tax returns and similar documents. Just be absolutely sure you keep the password somewhere safe, since you will never get back into that secure disk if you lose it.
Continued here:
How to encrypt files in Windows - PCWorld
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