+ How to Use Apple’s Built-in Features to Encrypt Files and Folders Posted on August 8th, 2013 by, it’s time for a little primer on encrypting your files. In this article, we’ll focus just on what Apple has already provided you on OS X, and how it can be used to secure files and folders on your system. There are two basic ways to go about this – both using features of things that are primarily intended for a different purpose. The first is Disk Utility, which is primarily intended as a disk repair and imaging utility. But it can also be used to create a disk image that contains a folder’s worth of encrypted files. Likewise, Print to PDF is a way to create a standard-format file that you can send to people on any OS. ![]() But it also includes the option to password-protect your file, so even if that option isn’t available in the original file’s format, you can still get the additional protection. Disk Utility These instructions assume you’ve already made a folder that’s now waiting to be encrypted. If you’ve not yet done that, go do it. It’s okay – I’ll wait. Okay, you’ve got it? To start this encryption adventure, we need to start Disk Utility. It’s a whole lot to find this, but if you want to use Finder, you’ll need to go into the Utilities folder to locate it. Once you’re there, go into the File menu and choose “New Disk Image from Folder” (or type shift-command-N). Now go find that folder you made and select it. ![]() Now, pick your encryption method and save. You’ll be prompted to enter a password for your new encrypted disk image. You can now open this disk image to use files as normal, but when you close the image it will be encrypted. Print to PDF Once again, we’re going to assume you have a file somewhere that you’d like to encrypt. This will work for any file-type that gives you the option to “print” a file to PDF. Generally speaking, you’ll find this option on the Print window, which you will usually find when you choose Print under the File window. When you get the Print window, look for a little button marked “PDF.” Click it, and choose “Save as PDF.” Before you save the file, be sure to click the “Security Options” button. Before you can open a ENCRYPTED file, you'll need to figure out what kind of file the ENCRYPTED file extension refers to. Tip: Incorrect ENCRYPTED file association errors can be a symptom of other underlying issues within your Windows operating system. Open up your PDF file in “Preview” and choose File –> Save As. You’ll face the following dialog box: Give the new file a different name to the existing file, click on “Encrypt”, the click on “Save” and a second or two later your file is encrypted and ready to transmit. Opera browser for Mac. More speed and privacy - for free in Opera for Mac with a built-in ad blocker and VPN. Opera's servers were hacked! Change your password now for increased security. If you're a regular Opera Browser user, you'll possibly have received an email confirming last week's attack on their servers that may have compromised some users' private information. Opera 48 for mac. Opera for Mac is a secure web browser that is both fast and rich in features. It has a slick interface that embraces a modern, minimalist look, coupled with stacks of tools to make browsing more enjoyable. There you’ll see a variety of ways to go about password-protecting the content. Enter passwords for whatever options you choose, and save. What Encryption Algorithm is used? We’ll get into more depth in a future article about different encryption algorithms and why you would choose one over another. But since we’re just discussing what Apple provides to everyone, I’ll just tell you what algorithms are offered in these two scenarios. As you may have noticed, Disk Utility gives you two options, and lets you know that choosing the more secure option is somewhat slower.
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