Then, go to File > Get Info (or press Command + I). First, you need to select the file you want to lock.
Locking certain files on a Mac is easy and straightforward. Once enabled, all folders stored on an encrypted drive like yours will be locked with a strong 256-bit encryption key until they are unlocked with the correct password!īy following these steps, you should now know how to lock a folder on Mac securely uing encryption technology built into Mac OS X itself! By locking folders with passwords before storing them on external drives or shared networks such as Dropbox or Google Drive, you can ensure that only authorized users are able to access their contents even if they fall into wrong hands! Locking Files on a Mac Lock the encrypted disk image – After mounting the encrypted disk image onto your desktop, you can now lock it with a password by opening System Preferences > Security & Privacy > FileVault tab and enabling FileVault 2 by clicking Turn On FileVault… You will be prompted for your administrator login credentials so that Mac OS X can unlock and mount/unmount any encrypted drives/folders whenever you log in or log out of your account (this setting helps prevent unauthorized access even if someone knows your password). Mount the encrypted disk image – When Disk Utility finishes creating your encrypted disk image, it will automatically mount it onto your desktop as though it were an external drive or flash drive however, unlke normal drives, this one will be secured with a password so only authorized users can access its contents.Ĥ.
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