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Protect files and folders with passwords on Mac

Protect files and folders with passwords on Mac

You can work on sensitive documents or other files that you don't want seen by prying eyes. The best way to prevent other users from accessing the files on your computer is to protect them with a password. Most people are not aware of the methods forproteggerefile and folders, but in this guide we see how it is possible to protect single-document password files file folders on your Mac (as well as on other platforms). Individual documents can be password protected with a feature hidden in Pages, while groups of files can reside in a password-protected drive, stored directly on your Mac. Just so, these features to protect files and folders are available without buying any software.

Protect files with Catholic Pages

If you do not need to password-protect groups of files or anything other than simple documents, you can use the appPages from Apple to obtain the protection of individual files. Pages the Apple word processor that comes with every Mac, so there's no need to spend money on software like Microsoft Word.

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In Pages, just start a new document or open an existing one. Before you are about to close it or save it, click File in the menu bar. Then move the mouse down to set the password … and click on it.

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You will be asked to create a password for this document. Enter the same password in the Verify field. It is only optional, but it is advisable to enter a password suggestion in case you find yourself. Once done, there is no possibility of opening this document later without knowing and entering the password.

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When you're ready, click Set password. You will notice after the document has been saved and the location in the Finder, that the file icon now has a lock on it to indicate that it is password protected. When you try to open it in the future, you will be asked to enter the previously set password.

Note: Without entering the password in the file, you cannot view or make changes to the document with one exception. Without the password you can only rename the document in the Finder. The contents of the document continue to remain inaccessible even after you rename it, but you can verify that the title of the document can always be changed.

Protect files and folders

How to create passwords to protect Disk Image

To password protect large groups of files, different file types or multiple folders, it is better to create a password-protected disk image in which to store all files and folders. This method is basically like creating a virtual hard drive that resides on your current hard drive. No need to connect an external device.

Note: Make sure you have some free space to dedicate to the disk image before creating it. The space you need depends on the amount of files you want to store. If they are only documents, generally around 100 MB should suffice. If you need to password protect groups of images or videos, you may need to consider 1 GB or 2 GB of space.

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To create the password-protected image, you need to use the application Disk Utility on the Mac. Open from Applications folder in the Finder or simply search using Spotlight. From here, click File in the menu bar, New image and therefore Empty Image … This will create an empty image from scratch.

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From your disk image a name and choose the location to store it. Then under the main fields, options are available for customization. Enter the size in the appropriate field. (If you are not sure about the size, try 100 MB initially if you see enough). Keep the default OS X Extended format.

For the type of encryption, select the encryption option 128-bit AES (recommended). You are asked here to set the password, choose something safe, but easy enough to remember.

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After that, leave everything else unchanged: "single partition – GUID Partition Map"For the partition and"read / write disk image”For the image format.

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Now we recommend opening the disk image by double clicking on it in the Finder and entering the password. Move all files or folders to be protected in the disk image. When you are done and need to click, click on the eject button in the Finder sidebar. The next time you want to access these files, the disk image will prompt you to enter the password.

In this way we have seen how to protect files and folders with passwords on the Mac to keep them away from prying eyes.

Other guides

If you have a Mac, you may also be interested in the Mac access guide if you have forgotten your password.

Or you may want to know how to reset your Mac's administrator password.